Assertion: keel | /r/SimilarTo | human spine
Facets:
Source sentences:
text: A keel is similar to a human spine, though it's on the bottom of the ship.
text: A keel is similar to a human spine, though it's on the bottom of the ship.
text: A keel is similar to a human spine, though it's on the bottom of the ship.
text: A keel is similar to a human spine, though it's on the bottom of the ship.