Assertion: hoatzin | /r/CapableOf | use a leathery bump
Facets:
value: on the bottom of its crop
type: LOCATION
value: to help balance itself
type: PURPOSE
Source sentences:
text: The hoatzin uses a leathery bump on the bottom of its crop to help balance itself on the branches.
text: The Hoatzin uses a leathery bump on the bottom of its crop to help balance itself on the branches.
text: The Hoatzin uses a leathery bump on the bottom of its crop to help balance itself on the branches.