Assertion: elbow's joint | /r/HasProperty | stable
Facets:
value: very
type: DEGREE
value: because of its bones
type: CAUSE
value: relatively
type: DEGREE
Source sentences:
text: Although hinge joints are relatively stable, people can dislocate them.
text: The joint is very stable because of its bones which include the upper arm (humerus) and the forearm bones (the radius and the ulna).