( ( Types ( of ( Energy ( Mechanical energy ) ) ) ) ( ( may ( be ( ( converted ( into ( ( other types ) ( of energy ) ) ) ) ( using ( special equipment ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNS Types)) (PP (IN of) (NP (NNP Energy) (NNP Mechanical) (NN energy)))) (VP (MD may) (VP (VB be) (VP (VBN converted) (PP (IN into) (NP (NP (JJ other) (NNS types)) (PP (IN of) (NP (NN energy))))) (S (VP (VBG using) (NP (JJ special) (NN equipment))))))) (. .)))
Types of Energy Mechanical energy may be converted into other types of energy using special equipment.
(ROOT (S (NP (DT A) (NN person)) (VP (VBZ uses) (NP (JJ mechanical) (NN energy) (S (VP (TO to) (VP (VB pedal) (NP (DT a) (NN bicycle))))))) (. .)))