Assertion: vampire's form | /r/HasAspect | two pairs
Facets:
Source sentences:
text: Their development progresses through three morphologic forms: the very young animals have a single pair of fins, an intermediate form has two pairs, and the mature form again has one.
text: Their development goes through three forms: the very young animals have a single pair of fins, an intermediate form has two pairs, and the mature form again has one.