( Elastic ( Potential ( Energy Calculator ) ) )
(ROOT (NP (NNP Elastic) (NNP Potential) (NNP Energy) (NNP Calculator)))
Elastic Potential Energy Calculator
(ROOT (S (S (VP (VBG Changing) (NP (NP (DT the) (NN shape)) (PP (IN of) (NP (DT an) (JJ elastic) (NN material)))))) (VP (VBZ gives) (NP (PRP it)) (NP (JJ potential) (NN energy))) (. .)))