Assertion: tern | /r/HasProperty | slender birds
Facets:
value: with long wings
type: OTHER
Source sentences:
text: Terns are slender birds with long wings and hardly seem capable of undertaking such prodigious journeys.
text: They are slender, lightly built birds with long, forked tails, narrow wings, long bills, and relatively short legs.
text: Terns are slender birds with long, pointed wings, and are adept fliers.