Assertion: yam | /r/HasProperty | difficult to find
Facets:
value: much more
type: DEGREE
value: often
type: TEMPORAL
value: except in an international market
type: OTHER
Source sentences:
text: Yams are not a common item to find in your grocery store, in fact, they are often difficult to find, except perhaps in an international market or ethnic food store.
text: Their long shelf life of 6 months allows them to be a dependable food source during times of poor farming--the yam is a much more difficult crop to harvest than the sweet potato.