Assertion: cuttlefish's cuttlebone | /r/DistinctFrom | external
Facets:
value: over time
type: TEMPORAL
Source sentences:
text: Although it may seem like their cuttlebone is a back bone, it turns out that because cuttlefish belong to the scientific phylum of mollusks, the cuttlebone is actually a ‘reduced’ shell that became internal as opposed to external over time.