He walked out into the street and I followed.
( ( ( ( He ( ( walked out ) ( into ( the street ) ) ) ) and ) ( I followed ) ) . )
(ROOT (S (S (NP (PRP He)) (VP (VBD walked) (PRT (RP out)) (PP (IN into) (NP (DT the) (NN street))))) (CC and) (S (NP (PRP I)) (VP (VBD followed))) (. .)))
I followed him down the street.
( I ( ( ( followed him ) ( down ( the street ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBD followed) (NP (PRP him)) (PP (IN down) (NP (DT the) (NN street)))) (. .)))