Assertion: squirrel's tail | /r/ObjectUse | used as rudder
Facets:
value: to help
type: PURPOSE
Source sentences:
text: Tree squirrels have a long, bushy tail, used as a rudder when they are airborne while leaping from branch to branch and as a comfy wrap-around when the animal is sleeping.
text: The tail is used as rudder to help them steer.