Assertion: gull's tail | /r/CapableOf | extend unlike the arctic and roseate terns
Facets:
value: on a standing bird
type: TRANSITIVE-OBJECT
Source sentences:
text: The rump and tail are white, and on a standing bird the long tail extends no further than the folded wingtips, unlike the Arctic and roseate terns in which the tail protrudes beyond the wings.