Assertion: apple tree's variety | /r/HasProperty | difficult to find
Facets:
Source sentences:
text: The purple fruit has a denser skin and texture while the greenish brown fruit has a thin skin and a more liquid pulp; the yellow variety is less common and difficult to find.
text: Conversely, don't be put off if the variety you want to grow is considered a difficult one and you don't think you are a good gardener.