Assertion: spiny dogfish's fin | /r/CapableOf | bear grooved spine
Facets:
value: in front
type: LOCATION
value: slightly
type: DEGREE
Source sentences:
text: Each dorsal fin bears a slightly grooved spine in front; the second dorsal spine is longer than the first.
text: The trunk is short, with two relatively closely spaced, large dorsal fins bearing grooved spines in front.