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  "$comment": "Transcription of audio documents. This example contains a transcript of a video about spider silk. Transcript contracts may also be used for translations of spoken language as well.",
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          "word": "It's tougher than any man-made material."
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          "word": "spider silk has been tantalizing the human imagination for decades."
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          "word": "You want to be Spider-Man, you have to make fibers."
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          "word": "But we can't just farm the silk, because spiders eat each other."
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          "word": "So scientists have pursued other routes."
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          "word": "A DNA sequencing breakthrough in Germany"
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          "word": "The next step is really producing tons of the material."
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          "word": "In all the offices, we have spiders and, you know, they're like pets."
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          "word": "We like to have them around. We think they're beautiful."
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          "word": "then the biomaterials lab at Bayreuth University probably isn't for you."
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          "word": "After purification,"
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          "word": "will become more important every day."
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