Assertion: alewife | /r/HasProperty | river herring
Facets:
value: collectively
type: MANNER
value: often
type: TEMPORAL
Source sentences:
text: Blueback Herring and Alewife are difficult to distinguish from one another and are often regarded collectively as river herring.
text: The alewife and the blueback herring, A. aestivalis, which is thinner and a little shorter with a blue-black back, and found from Nova Scotia to Florida, are collectively known as river herring.
text: Blueback Herring and Alewife are difficult to distinguish from one another and are often regarded collectively as river herring.