Assertion: raven's voice | /r/HasProperty | clear trill
Facets:
Source sentences:
text: To begin with, pay attention to whether a bird’s voice is a clear whistle, harsh or scratchy, liquid and flute-like, or a clear trill.
text: To begin with, pay attention to whether a bird’s voice is a clear whistle, harsh or scratchy, liquid and flute-like, or a clear trill.