Assertion: herring's migration | /r/HasProperty | oriented by the sea currents
Facets:
value: near the spawning grounds
type: LOCATION
value: as a rule
type: MANNER
Source sentences:
text: As a rule, migrations are oriented by the sea currents near the spawning grounds, but the fish go as well with or against the current direction; four forms of the Caspian shad are known to move against currents.