Assertion: mackerel | /r/HasProperty | sighted on nantucket shoals
Facets:
value: on georges bank
type: LOCATION
value: in may
type: TEMPORAL
Source sentences:
text: It seems certain that some of the mackerel that are first sighted on Nantucket Shoals and on Georges Bank in May remain on these offshore grounds all summer, both spawning and feeding there, for they provide good fishing there any time from June to September or October, in some years.