Assertion: elephant seal's pup | /r/HasProperty | their smaller size
Facets:
value: from older pups
type: OTHER
value: easily
type: MANNER
value: by the fact
type: CAUSE
Source sentences:
text: Newborn pups are easily distinguished from older pups, not only by their smaller size, but also, by the fact that they have 'fetal folds,' creases along their sides from being curled up in their mother's womb.