Assertion: mussel | /r/HasAspect | beard
Facets:
Source sentences:
text: Mussels have beards, which they use to attach themselves to rocks.
text: Mussels have beards, or clumps of threads, that are used to attach to gravel, seawalls and rocks.
text: Mussels have beards!
text: Not all mussels will have beards.