( ( 2 -RRB- ) ( ( ( ( ( Touch the ) ( ( ( charged electroscope ) ( with ( ( ( the finger ) and ) ( the ( charge escapes ) ) ) ) ) ( into ( the body ) ) ) ) and ) ( ( the electroscope ) ( is grounded ) ) ) . ) )
(ROOT (S (LST (LS 2) (-RRB- -RRB-)) (S (NP (NNP Touch) (NNP the)) (VP (VBD charged) (NP (NN electroscope)) (PP (IN with) (NP (NP (DT the) (NN finger)) (CC and) (NP (DT the) (NN charge) (NNS escapes)))) (PP (IN into) (NP (DT the) (NN body))))) (CC and) (S (NP (DT the) (NN electroscope)) (VP (VBZ is) (VP (VBN grounded)))) (. .)))
2) Touch the charged electroscope with the finger and the charge escapes into the body and the electroscope is grounded .
(ROOT (S (NP (DT A) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN electroscope)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB study) (NP (NN charge))))))) (. .)))