( ( Voyager 1 ) ( ( ( ( visited ( ( Jupiter and ) Saturn ) ) , ) ( ( leaving ( ( ( ( ( Saturn 's ) moon ) , ) Titan ) , ) ) ( in 1980 ) ) ) . ) )
(ROOT (S (NP (NNP Voyager) (CD 1)) (VP (VBD visited) (NP (NNP Jupiter) (CC and) (NNP Saturn)) (, ,) (S (VP (VBG leaving) (NP (NP (NP (NNP Saturn) (POS 's)) (NN moon)) (, ,) (NP (NNP Titan)) (, ,)) (PP (IN in) (NP (CD 1980)))))) (. .)))
Voyager 1 visited Jupiter and Saturn, leaving Saturn's moon, Titan, in 1980.
(ROOT (S (NP (DT The) (NN voyager) (CD 1) (NN spacecraft)) (VP (VBD visited) (NP (NN saturn)) (PP (IN in) (NP (CD 1980)))) (. .)))