Assertion: plesiosaur | /r/HasProperty | cumbersome to drag itself
Facets:
Source sentences:
text: Many believed the plesiosaur was too cumbersome to drag itself up the beach to lay eggs, and so must have given birth to live young.
text: Many believed the plesiosaur was too cumbersome to drag itself up the beach to lay eggs, and so must have given birth to live young.