{
  "contents": [
    {
      "role": "user",
      "parts": [
        {
          "text": "This is a detailed comparative listening task on actual paired English and Ukrainian song excerpts. No prior ranking is supplied; do not force a winner. Compare every listed pair separately. Do not treat English brevity, smoother pop singing, exact imitation or more notes as inherently better. We need what melody DOES to information: placement and duration of important words, speech inflection vs melody, short/long note alternation, held endings, anticipation and release, repeat/variation, phrasing over beats, breath, changes of address, and whether a line is an event/reaction vs an exposition list. No exact note names/chord/key/BPM unless independently verified; describe audible contours. Quotes must be short actual heard words, including Ukrainian, with uncertainty. Each asset LOCAL0 corresponds to its named global start; use local timestamps for observations and keep them within its duration. A listening inference is not a measured retention effect. Return JSON English <=1700words: mediaAccess(boolean),audioAccess(boolean),limitations,pairs[{id,heardWordsTarg,heardWordsGopure,targMelodyAndRhythm,gopureMelodyAndRhythm,targInformationEmphasis,gopureInformationEmphasis,phraseEndingsAndBreath,emotionalMechanism,concreteDifference,whatGopureDoesWell,preferredForThisFunctionAndWhy,localEvidence[{track,localStart,localEnd,heardWords,observation}],confidence,uncertainties,oneMinimalCompositionChangeToTest}]. Be critical and specific; identify counterexamples to your own ranking. A fast sung phrase may work; repeated short cells are not automatically recitation. Do not invent missing words or defects from the task description. Full mixes, not stems, are attached.\nPAIRS: [{\"id\": \"change\", \"focus\": \"Three/six weeks,daughter witness,complete result\"}, {\"id\": \"return\", \"focus\": \"Recital,reversed gaze,unsolicited compliment and callback\"}, {\"id\": \"selfworth\", \"focus\": \"Thank-you and whose opinion matters; emotional cadence\"}, {\"id\": \"cta\", \"focus\": \"Product name,invitation,commercial information and final cadence\"}]"
        },
        {
          "text": "Attachment 1: PAIR change; targ; global122.9..146.6seconds, local file time starts0. Actual stereo160kbps excerpt; fixed global gain only; no retiming."
        },
        {
          "inlineData": {
            "mimeType": "audio/mpeg",
            "data": "[base64 of frozen bytes; see inputs.json]"
          }
        },
        {
          "text": "Attachment 2: PAIR change; gopure; global120.825..140.585seconds, local file time starts0. Actual stereo160kbps excerpt; fixed global gain only; no retiming."
        },
        {
          "inlineData": {
            "mimeType": "audio/mpeg",
            "data": "[base64 of frozen bytes; see inputs.json]"
          }
        },
        {
          "text": "Attachment 3: PAIR return; targ; global146.4..173.6seconds, local file time starts0. Actual stereo160kbps excerpt; fixed global gain only; no retiming."
        },
        {
          "inlineData": {
            "mimeType": "audio/mpeg",
            "data": "[base64 of frozen bytes; see inputs.json]"
          }
        },
        {
          "text": "Attachment 4: PAIR return; gopure; global140.585..158.785seconds, local file time starts0. Actual stereo160kbps excerpt; fixed global gain only; no retiming."
        },
        {
          "inlineData": {
            "mimeType": "audio/mpeg",
            "data": "[base64 of frozen bytes; see inputs.json]"
          }
        },
        {
          "text": "Attachment 5: PAIR selfworth; targ; global173.6..182.8seconds, local file time starts0. Actual stereo160kbps excerpt; fixed global gain only; no retiming."
        },
        {
          "inlineData": {
            "mimeType": "audio/mpeg",
            "data": "[base64 of frozen bytes; see inputs.json]"
          }
        },
        {
          "text": "Attachment 6: PAIR selfworth; gopure; global158.785..172.665seconds, local file time starts0. Actual stereo160kbps excerpt; fixed global gain only; no retiming."
        },
        {
          "inlineData": {
            "mimeType": "audio/mpeg",
            "data": "[base64 of frozen bytes; see inputs.json]"
          }
        },
        {
          "text": "Attachment 7: PAIR cta; targ; global182.6..194.489seconds, local file time starts0. Actual stereo160kbps excerpt; fixed global gain only; no retiming."
        },
        {
          "inlineData": {
            "mimeType": "audio/mpeg",
            "data": "[base64 of frozen bytes; see inputs.json]"
          }
        },
        {
          "text": "Attachment 8: PAIR cta; gopure; global172.665..197.726seconds, local file time starts0. Actual stereo160kbps excerpt; fixed global gain only; no retiming."
        },
        {
          "inlineData": {
            "mimeType": "audio/mpeg",
            "data": "[base64 of frozen bytes; see inputs.json]"
          }
        }
      ]
    }
  ],
  "stream": true,
  "generationConfig": {
    "thinkingConfig": {
      "includeThoughts": false,
      "thinkingLevel": "high"
    }
  }
}