It was about the same time when all the space program was getting started off and I was in the first grade when the United States launched the first satellite and I was in the second grade when the first manned space capsule was sent up and because of what was going on at the time it was real interesting.
( ( ( ( ( ( ( It ( ( was ( about ( the ( same time ) ) ) ) ( when ( ( all ( the ( space program ) ) ) ( was ( getting ( started off ) ) ) ) ) ) ) and ) ( I ( was ( in ( the ( first grade ) ) ) ) ) ) ( when ( ( the ( United States ) ) ( launched ( the ( first satellite ) ) ) ) ) ) and ) ( I ( ( was ( in ( the ( second grade ) ) ) ) ( ( ( when ( ( the ( first ( manned ( space capsule ) ) ) ) ( was ( sent up ) ) ) ) and ) ( because ( ( of ( what ( was ( ( going on ) ( at ( the time ) ) ) ) ) ) ( it ( was ( real interesting ) ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (PRP It)) (VP (VBD was) (PP (IN about) (NP (DT the) (JJ same) (NN time))) (SBAR (WHADVP (WRB when)) (S (NP (PDT all) (DT the) (NN space) (NN program)) (VP (VBD was) (VP (VBG getting) (VP (VBN started) (PRT (RP off))))))))) (CC and) (S (NP (PRP I)) (VP (VBD was) (PP (IN in) (NP (DT the) (JJ first) (NN grade))))) (SBAR (WHADVP (WRB when)) (S (NP (DT the) (NNP United) (NNPS States)) (VP (VBD launched) (NP (DT the) (JJ first) (NN satellite))))) (CC and) (S (NP (PRP I)) (VP (VBD was) (PP (IN in) (NP (DT the) (JJ second) (NN grade))) (SBAR (SBAR (WHADVP (WRB when)) (S (NP (DT the) (JJ first) (JJ manned) (NN space) (NN capsule)) (VP (VBD was) (VP (VBN sent) (PRT (RP up)))))) (CC and) (SBAR (IN because) (S (PP (IN of) (SBAR (WHNP (WP what)) (S (VP (VBD was) (VP (VBG going) (PRT (RP on)) (PP (IN at) (NP (DT the) (NN time)))))))) (NP (PRP it)) (VP (VBD was) (ADJP (RB real) (JJ interesting)))))))) (. .)))
I was an adult when the U.S. space program started. 
( I ( ( was ( ( an adult ) ( when ( ( the ( U.S. ( space program ) ) ) started ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD was) (NP (NP (DT an) (NN adult)) (SBAR (WHADVP (WRB when)) (S (NP (DT the) (NNP U.S.) (NN space) (NN program)) (VP (VBD started)))))) (. .)))