Assertion: cockatoo's bird | /r/CapableOf | know the song
Facets:
Source sentences:
text: When all the birds know the song, the choir will sing the "Warble" part and the soloist will sing the "Woo!".
text: When all the birds know the song, the choir will sing the "Warble" part and the soloist will sing the "Woo!".