Assertion: spiny lobster's shell | /r/HasProperty | shed
Facets:
value: periodically
type: TEMPORAL
Source sentences:
text: This shell does not grow with the lobster, so as the crustacean gets larger, the shell must be shed periodically.
text: Once the old shell has been shed, the animal is quick to seek cover in a hiding place where it can wait safely as the new shell takes shape and hardens.