Assertion: nymph's gill | /r/CapableOf | function like tail
Facets:
value: at the end of the abdomen
type: LOCATION
Source sentences:
text: Damselfly nymphs swim by fish-like undulations, the gills functioning like a tail.
text: The gills of damselfly nymphs are large and external, resembling three fins at the end of the abdomen.