( ( ( The Effect ) ( of ( Facial Expressions ) ) ) ( ( ( ( Expressions not ) only ) ( communicate ( emotion ( they ( also ( ( ( amplify ( the ( felt emotion ) ) ) and ) ( signal ( the ( body ( to ( respond accordingly ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NN Effect)) (PP (IN of) (NP (NNP Facial) (NNPS Expressions)))) (VP (VBZ Expressions) (RB not) (ADVP (RB only)) (VP (VB communicate) (S (INTJ (UH emotion)) (NP (PRP they)) (ADVP (RB also)) (VP (VP (VB amplify) (NP (DT the) (JJ felt) (NN emotion))) (CC and) (VP (VB signal) (NP (DT the) (NN body) (S (VP (TO to) (VP (VB respond) (ADVP (RB accordingly))))))))))) (. .)))
The Effect of Facial Expressions Expressions not only communicate emotion they also amplify the felt emotion and signal the body to respond accordingly.
(ROOT (S (NP (JJ Human) (JJ facial) (NNS expressions)) (VP (MD can) (VP (VB communicate) (NP (NNS emotions)))) (. .)))