Assertion: hippo | /r/HasProperty | friendly
Facets:
value: in water
type: LOCATION
value: to each other
type: TRANSITIVE-OBJECT
Source sentences:
text: Hippos are known to be friendly to each other when in water, but can be aggressive towards each other when on land, especially when feeding.
text: Hippos seem like they would be friendly, considering that they do share some similarities to elephants, but be wary if you ever come across one, as they can be quite aggressive.