Assertion: caribou's foot | /r/HasProperty | big
Facets:
Source sentences:
text: Caribou also have big feet with flat hooves, or hard foot coverings.
text: They use their big feet to help them dig through the deep snow.
text: Reindeer also have big feet, which helps them walk on soft ground.
text: Reindeer have big feet that help them walk on soft ground.