The space age began with the launch of Sputnik in October 1957.
( ( The ( space age ) ) ( ( ( began ( with ( ( the launch ) ( of Sputnik ) ) ) ) ( in ( October 1957 ) ) ) . ) )
(ROOT (S (NP (DT The) (NN space) (NN age)) (VP (VBD began) (PP (IN with) (NP (NP (DT the) (NN launch)) (PP (IN of) (NP (NNP Sputnik))))) (PP (IN in) (NP (NNP October) (CD 1957)))) (. .)))
In October 1957 the space age started after the launch of Sputnik.
( ( In ( October 1957 ) ) ( ( the ( space age ) ) ( ( started ( after ( ( the launch ) ( of Sputnik ) ) ) ) . ) ) )
(ROOT (S (PP (IN In) (NP (NNP October) (CD 1957))) (NP (DT the) (NN space) (NN age)) (VP (VBD started) (PP (IN after) (NP (NP (DT the) (NN launch)) (PP (IN of) (NP (NNP Sputnik)))))) (. .)))