So it was traumatic.
( So ( it ( ( was traumatic ) . ) ) )
(ROOT (S (IN So) (NP (PRP it)) (VP (VBD was) (ADJP (JJ traumatic))) (. .)))
The roller coaster ride was a traumatic experience for me.
( ( The ( roller ( coaster ride ) ) ) ( ( was ( ( a ( traumatic experience ) ) ( for me ) ) ) . ) )
(ROOT (S (NP (DT The) (NN roller) (NN coaster) (NN ride)) (VP (VBD was) (NP (NP (DT a) (JJ traumatic) (NN experience)) (PP (IN for) (NP (PRP me))))) (. .)))