character: John Doe
topic: Connection Between Exercise and Mood Improvement
grade: 11
subject: Science
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character: Jane Smith
topic: Impact of Physical Activity on Mental Health
grade: 11
subject: Science
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character: Emily Johnson
topic: The Science of Endorphins and Exercise
grade: 11
subject: Science
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character: Michael Brown
topic: Physical Exercise and Neurotransmitter Activity
grade: 11
subject: Science
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