Assertion: hermit crab's shell | /r/HasProperty | occupied at given time
Facets:
Source sentences:
text: Most suitable shells are already occupied at any given time, so hermit crabs in suboptimal shells often have to resort to initiating a ‘shell fight’ in an attempt to take a better shell from another crab ( Figure 1 A shell fight in Pagurus bernhardus.
text: Most suitable shells are already occupied at any given time, so hermit crabs in suboptimal shells often have to resort to initiating a ‘shell fight’ in an attempt to take a better shell from another crab ( Figure 1 ).