Assertion: solitaire's wing | /r/CapableOf | become by wingtip
Facets:
Source sentences:
text: The wing was slaty with a hint of brown at its base and became a warm, dark brown by the wingtips; the underwing was brown.
text: The wing was slaty with a hint of brown at its base and became a warm, dark brown by the wingtips; the underwing was brown.