Assertion: truffle | /r/HasProperty | black
Facets:
Source sentences:
text: They are mostly found in spring and the most common truffles are black.
text: The most famous truffles are the Italian white and black, Tuber magnatum and Tuber melanosporum, which can go from $500 to $1,000 a pound.
text: Truffles are black or white and are complex in flavor, which means they need to be paired with bland foods like steak or chicken.
text: A good eye is required as many truffles are small and colored red, brown, white, or even black.