Assertion: mule | /r/HasProperty | animal
Facets:
Source sentences:
text: A mule - an animal that cannot be bred to produce more animals - had a lifespan of roughly 35 years.
text: But, as the wranglers will tell you, they are still animals who may be stubborn at times and may be frightened by an unexpected mountain goat, falling rock or rude hiker on the trail.