Assertion: oak's number | /r/HasAspect | symbiotic relationships
Facets:
value: with oak trees
type: OTHER
Source sentences:
text: A number of kinds of truffles, including the two well known varieties, the black Périgord truffle and the white Piedmont truffle, have symbiotic relationships with oak trees.
text: A number of kinds of truffles, including the two well known varieties, the black Périgord truffle and the white Piedmont truffle, have symbiotic relationships with oak trees.