Assertion: manta ray's fin | /r/AtLocation | either side of their mouths
Facets:
Source sentences:
text: Manta rays have broad heads, triangular pectoral fins, and horn-shaped cephalic fins located on either side of their mouths.
text: Manta rays have broad heads, triangular pectoral fins, and horn-shaped cephalic fins located on either side of their mouths.