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        "distract_density":0.85,
        "max_distractors":1
    },
    {
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    },
    {
        "distract_density":0.5,
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    },
    {
        "distract_density":0.5,
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    },
    {
        "distract_density":0.5,
        "max_distractors":5
    }
]