Assertion: plesiosaur | /r/CapableOf | swallow stone
Facets:
value: in large numbers
type: MANNER
value: to counteract their bouyancy
type: PURPOSE
Source sentences:
text: Imagine the possibility of plesiosaurs making treks to special pebbly beaches (and hence into very shallow water) to find and swallow stones.
text: I wasn't planning on mentioning Nesse, but the study that shwoed that plesiosaurs ate stones to counteract their bouyancy.
text: While their function is still uncertain, it is a fact that plesiosaurs were swallowing these stones in large numbers.