Assertion: bluefin tuna's number | /r/CapableOf | drop to only 412 nesting pairs
Facets:
value: sadly
type: OTHER
value: by the 1950s
type: TEMPORAL
value: in the continental u.s.
type: LOCATION
Source sentences:
text: Sadly, that number dropped to only 412 nesting pairs in the continental U.S. by the 1950s.