Assertion: petrel's wing | /r/HasAspect | black markings
Facets:
Source sentences:
text: Their heads and long wings have black markings.
text: Their heads and long wings have black markings.
text: Their heads and long wings have black markings.
text: Their heads and long wings have black markings.
text: Their heads and long wings have black markings.
text: Their heads and long wings have black markings.