Assertion: caterpillar | /r/CapableOf | tighten their abdominal legs
Facets:
value: to the thoracic legs
type: TRANSITIVE-OBJECT
Source sentences:
text: ” – they tighten their abdominal legs to the thoracic legs, bending the middle part of the body in an arc, and then straighten, moving Forward with the help of the thoracic legs.