( ( Although ( ( ( ( ( facial ( and ( vocal expressions ) ) ) ( are ( ( the ( best-known ( social forms ) ) ) ( of ( human ( emotional expression ) ) ) ) ) ) , ) and ) ( ( ( new forms ) ( of sensing ) ) ( are ( beginning ( to ( offer ( ( more natural ) ( emotion communication ) ) ) ) ) ) ) ) ) ( , ( ( many people ) ( ( ( are not ) ( ready ( for ( ( this type ) ( of sensing ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN Although) (S (S (NP (JJ facial) (CC and) (JJ vocal) (NNS expressions)) (VP (VBP are) (NP (NP (DT the) (JJS best-known) (JJ social) (NNS forms)) (PP (IN of) (NP (JJ human) (JJ emotional) (NN expression)))))) (, ,) (CC and) (S (NP (NP (JJ new) (NNS forms)) (PP (IN of) (NP (NNP sensing)))) (VP (VBP are) (VP (VBG beginning) (S (VP (TO to) (VP (VB offer) (NP (ADJP (RBR more) (JJ natural)) (NN emotion) (NN communication)))))))))) (, ,) (NP (JJ many) (NNS people)) (VP (VBP are) (RB not) (ADJP (JJ ready) (PP (IN for) (NP (NP (DT this) (NN type)) (PP (IN of) (S (VP (VBG sensing)))))))) (. .)))
Although facial and vocal expressions are the best-known social forms of human emotional expression, and new forms of sensing are beginning to offer more natural emotion communication, many people are not ready for this type of sensing.
(ROOT (S (NP (JJ Human) (JJ facial) (NNS expressions)) (VP (MD can) (VP (VB communicate) (NP (NNS emotions)))) (. .)))