Assertion: penis | /r/HasProperty | proportional
Facets:
value: to its body size
type: OTHER
value: as a general rule
type: OTHER
Source sentences:
text: As a general rule, a mammal's penis is proportional to its body size, but this varies greatly between species – even between closely related ones.
text: As a general rule, an animal's penis is proportional to its body size, but this varies greatly between species — even between closely related species.