( ( This information ) ( ( ( is ( used ( to ( calculate ( the ( elastic ( potential energy ) ) ) ) ) ) ) -RRB- ) . ) )
(ROOT (S (NP (DT This) (NN information)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB calculate) (NP (DT the) (JJ elastic) (JJ potential) (NN energy))))))) (-RRB- -RRB-) (. .)))
This information is used to calculate the elastic potential energy).
(ROOT (S (NP (DT The) (ADJP (NN term) (JJ elastic)) (JJ potential) (NN energy)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB describe) (S (NP (JJ potential) (NN energy)) (ADJP (JJ due) (PP (TO to) (NP (NP (DT an) (NN object) (POS 's)) (NN shape)))))))))) (. .)))