Assertion: gaboon viper | /r/HasProperty | popular attractions
Facets:
value: due to general docile behaviour
type: CAUSE
value: due to their size
type: CAUSE
value: at zoos
type: LOCATION
value: due to appearance
type: CAUSE
Source sentences:
text: Gaboon vipers are popular attractions at zoos due to their size and appearance, and general docile behaviour.