Assertion: tern's underpart | /r/HasProperty | dark
Facets:
value: with wings
type: OTHER
value: with slate-light black upperparts
type: OTHER
Source sentences:
text: The head, neck and underparts are dark, with slate-light black upperparts and wings, an ash tail and ash undersides to the wings.
text: The head, neck and underparts are dark, with slate-light black upperparts and wings, an ash tail and ash undersides to the wings.