And they are less likely to cry and more likely to use gestures and words to express their desires than are infants whose parents delayed or failed to respond to their calls for help.
( And ( they ( ( are ( ( ( less ( likely ( to cry ) ) ) and ) ( more ( likely ( to ( ( use ( ( gestures and ) words ) ) ( to ( ( express ( their desires ) ) ( than ( are ( infants ( ( whose parents ) ( ( delayed or ) ( failed ( to ( ( respond ( to ( their calls ) ) ) ( for help ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) ) )
(ROOT (S (CC And) (NP (PRP they)) (VP (VBP are) (ADJP (ADJP (RBR less) (JJ likely) (S (VP (TO to) (VP (VB cry))))) (CC and) (ADJP (RBR more) (JJ likely) (S (VP (TO to) (VP (VB use) (NP (NNS gestures) (CC and) (NNS words)) (S (VP (TO to) (VP (VB express) (NP (PRP$ their) (NNS desires)) (SBAR (IN than) (S (VP (VBP are) (NP (NP (NNS infants)) (SBAR (WHNP (WP$ whose) (NNS parents)) (S (VP (VP (VBD delayed)) (CC or) (VP (VBD failed) (S (VP (TO to) (VP (VB respond) (PP (TO to) (NP (PRP$ their) (NNS calls))) (PP (IN for) (NP (NN help))))))))))))))))))))))) (. .)))
They are less likely to cry and more likely to use gestures.
( They ( ( are ( ( ( less ( likely ( to cry ) ) ) and ) ( more ( likely ( to ( use gestures ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP They)) (VP (VBP are) (ADJP (ADJP (RBR less) (JJ likely) (S (VP (TO to) (VP (VB cry))))) (CC and) (ADJP (RBR more) (JJ likely) (S (VP (TO to) (VP (VB use) (NP (NNS gestures)))))))) (. .)))