Assertion: ostrich | /r/HasAspect | strong feet
Facets:
value: a long time ago
type: TEMPORAL
Source sentences:
text: They have long, powerful, bare legs and strong feet with 2 sharp claws on each foot which are used for defence.
text: Ostriches of any breed are large, have strong legs and considerable weight.
text: Some people think that a long time ago ostriches had strong wings and could fly, but they stopped flying so their wings got smaller and smaller.
text: They have two strong legs that were made for speed and can run about 31 miles per hour for a long time.