Smacked my chest.
( ( Smacked ( my chest ) ) . )
(ROOT (S (VP (VB Smacked) (NP (PRP$ my) (NN chest))) (. .)))
She smacked my chest after I screamed at her.
( She ( ( ( smacked ( my chest ) ) ( after ( I ( screamed ( at her ) ) ) ) ) . ) )
(ROOT (S (NP (PRP She)) (VP (VBD smacked) (NP (PRP$ my) (NN chest)) (SBAR (IN after) (S (NP (PRP I)) (VP (VBD screamed) (PP (IN at) (NP (PRP her))))))) (. .)))