Assertion: cockroach's wing | /r/HasProperty | small
Facets:
value: to be used for flight
type: PURPOSE
Source sentences:
text: In some cockroach species, wings are present, but are small and stunted.
text: Females either lack wings or have wings that are too small for flying.
text: Oriental roaches have wings, but their wings are too small and underdeveloped to be used for flight.