Assertion: hummingbird | /r/HasProperty | difficult
Facets:
value: extremely
type: DEGREE
value: much alike
type: DEGREE
Source sentences:
text: The Allen's Hummingbird and the Rufous Hummingbird are very much alike and it is extremely difficult to tell them apart.
text: Both wild and domestic cats also prey on the tiny hummingbird, but hummingbirds are known to be a difficult meal to catch for any predators due to their speed and agility particularly in the air.