( ( Recognition ( of ( ( facial expression ) ( of emotion ) ) ) ) ( ( is ( ( one ( of ( the ( first ( communicative abilities ) ) ) ) ) ( in ( ( ( human life ) , ) ( that ( ( occurs ( ( much earlier ) ( ( in childhood ) ( than ( for instance ) ) ) ) ) ( ( the faculty ) ( of speech ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Recognition)) (PP (IN of) (NP (NP (JJ facial) (NN expression)) (PP (IN of) (NP (NN emotion)))))) (VP (VBZ is) (NP (NP (CD one)) (PP (IN of) (NP (DT the) (JJ first) (JJ communicative) (NNS abilities))) (PP (IN in) (NP (NP (JJ human) (NN life)) (, ,) (SBAR (WHNP (WDT that)) (S (VP (VBZ occurs) (ADVP (ADVP (RB much) (RBR earlier)) (PP (IN in) (NP (NN childhood)) (PP (IN than) (PP (IN for) (NP (NN instance)))))) (NP (NP (DT the) (NN faculty)) (PP (IN of) (NP (NN speech))))))))))) (. .)))
Recognition of facial expression of emotion is one of the first communicative abilities in human life, that occurs much earlier in childhood than for instance the faculty of speech.
(ROOT (S (NP (JJ Human) (JJ facial) (NNS expressions)) (VP (MD can) (VP (VB communicate) (NP (NNS emotions)))) (. .)))