Assertion: horseshoe crab | /r/CapableOf | dig into sand
Facets:
Source sentences:
text: Searching the intertidal zone  for benthic (a.k.a. bottom-dwelling) organisms, such as clams and worms, they dig into sand or mud, grasping and crushing prey and then using pincer-tipped legs, called chelicera, to place pieces of prey in their mouth .