Assertion: crab's abdomen | /r/HasProperty | soft
Facets:
Source sentences:
text: The crab uses the anemone to cover its soft abdomen, ...
text: Where hermit crabs differ is that they have long, sometimes twisted, abdomens that are soft and can fit into a discarded shell.
text: The abdomens of a hermit crab are long, soft and spirally curved.
text: Their abdomens are soft and unprotected, which makes them vulnerable to predators.