Assertion: yawning | /r/HasProperty | behavior
Facets:
value: according to this theory
type: OTHER
Source sentences:
text: Yawning is a behavior found in fish, reptiles and birds, as well as in humans.
text: According to this theory, yawning is a behaviour started by our ancestors, the cavemen.
text: Yawning is a behavior found in fish, reptiles and birds, as well as in humans.
text: Yawning is a behavior found in fish, reptiles and birds, as well as in humans.
text: Yawning is a behavior left over from our bygone caveperson days, when it served as some sort of social signal to others in our pack (perhaps as a display of teeth-baring dominance).