Assertion: pigeon | /r/HasProperty | released at time
Facets:
value: for exercise
type: PURPOSE
value: a few
type: TEMPORAL
Source sentences:
text: As long as the pigeons were released a few at a time for exercise, they returned to the ship; but when the whole flock was released while Langley was anchored off Tangier Island, the pigeons flew south and roosted in the cranes of the Norfolk shipyard.