In the past, if a small tanker spilled oil in the ocean, beaches were fouled and some local marine life was killed, but recovery was possible.
(a small tanker; spilled; oil; in the ocean) (beaches; were fouled; T:In the past) (some local marine life; was killed; ) (recovery; was; possible)
a small tanker beaches some local marine life recovery
spilled were fouled was killed was
oil in the ocean
T:In the past
possible