( ( Voyager 1 ) ( ( passed ( Saturn ( in ( Nov. 1980 ) ) ) ) . ) )
(ROOT (S (NP (NNP Voyager) (CD 1)) (VP (VBD passed) (NP (NP (NNP Saturn)) (PP (IN in) (NP (NNP Nov.) (CD 1980))))) (. .)))
Voyager 1 passed Saturn in Nov. 1980.
(ROOT (S (NP (DT The) (NN voyager) (CD 1) (NN spacecraft)) (VP (VBD visited) (NP (NN saturn)) (PP (IN in) (NP (CD 1980)))) (. .)))