Assertion: truffle | /r/HasProperty | impossible to cultivate
Facets:
value: almost
type: DEGREE
Source sentences:
text: Truffles are almost impossible to cultivate, their weird little tendrils (aka mycorrhizal fungal filaments) fling out under the ground wherever they like and cannot be steered.
text: Truffles are rare, in part, because they are nearly impossible to cultivate (recreating the necessary growing conditions is both difficult and costly and it can take years to yield truffles and decades to turn a profit).