( ( One ( -LRB- ( 1 -RRB- ) ) ) ( horsepower ( ( equals ( 746 watts ) ) . ) ) )
(ROOT (S (NP (NP (CD One)) (PRN (-LRB- -LRB-) (NP (CD 1)) (-RRB- -RRB-))) (ADVP (RB horsepower)) (VP (VBZ equals) (NP (CD 746) (NNS watts))) (. .)))
One (1) horsepower equals 746 watts.
(ROOT (S (NP (DT A) (NN horsepower)) (VP (VBZ is) (ADJP (JJ equal) (PP (TO to) (NP (NP (DT the) (NN amount)) (PP (IN of) (NP (NN work)))))) (SBAR (S (NP (DT a) (NN horse)) (VP (MD can) (VP (VB do) (PP (IN in) (NP (CD 1) (NN minute)))))))) (. .)))