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)))) (. .)))
Sputnik's launch took many years to plan.
( ( ( Sputnik 's ) launch ) ( ( ( took ( many years ) ) ( to plan ) ) . ) )
(ROOT (S (NP (NP (NNP Sputnik) (POS 's)) (NN launch)) (VP (VBD took) (NP (JJ many) (NNS years)) (PP (TO to) (NP (NN plan)))) (. .)))