Assertion: dungeness crab's pair | /r/HasProperty | front two
Facets:
Source sentences:
text: The Red Rock crab is a typically-shaped crab, with five pairs of legs, the front two bearing small, blocky claws.
text: The Sally Lightfoot Crab is a typically shaped crab, with five pairs of legs, the front two bearing small, blocky, symmetrical chelae (chelae are also called pincers).