Assertion: chickadee's cap | /r/CapableOf | omit high notes
Facets:
Source sentences:
text: The calls and song also differ subtly to an experienced ear: the Carolina chickadee's chick-a-dee call is faster and higher pitched than that of the black-capped chickadee, and the Carolina chickadee has a four note fee-bee-fee-bay song, whereas the black-capped omits the high notes.