Assertion: dugong's fin | /r/HasProperty | pectoral
Facets:
Source sentences:
text: When moving along the seabed to feed they walk on their pectoral fins.
text: When moving along the seabed to feed they walk on their pectoral fins.
text: When moving along the seabed to feed they walk on their pectoral fins.
text: When moving along the seabed to feed they walk on their pectoral fins.
text: When moving along the seabed to feed they walk on their pectoral fins.
text: When moving along the seabed to feed they walk on their pectoral fins.