Assertion: moth's caterpillar | /r/HasProperty | happy
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Source sentences:
text: When gypsy moth caterpillars are healthy and happy, they go up into the trees at night to feed on leaves, and then climb back down in the morning to hide [in bark crevices or soil] from predators during the day," said study co-author Kelli Hoover, an entomologist at Penn State University.