Assertion: butterfly's caterpillar | /r/CapableOf | construct cocoon
Facets:
Source sentences:
text: Caterpillars also use silk when they pupate, either to suspend a chrysalis or construct a cocoon.
text: The caterpillars will feed, and then form their cocoons, and they will complete their metamorphosis into butterflies right in the provided butterfly observation house that you get with the kit.