Assertion: eel's fin | /r/CapableOf | run entire length of the body
Facets:
value: from the head
type: LOCATION
value: almost
type: DEGREE
Source sentences:
text: Moral eels have a dorsal fin which runs almost the entire length of the body, from the head to the caudal and anal fins, and are made to appear like a snake by their absence of pectoral and pelvic fins.