Assertion: bowerbird's bower | /r/HasProperty | valuable
Facets:
value: to its owner
type: TRANSITIVE-OBJECT
value: extremely
type: DEGREE
Source sentences:
text: It is clear that a bower can be extremely valuable to its owner, for bowerbirds spend hours constructing, decorating, and maintaining their bowers, and no male has ever been reported to successfully court a female without one.