( ( PHYSICAL REQUIREMENTS ) ( ( Performs ( ( ( light work ) , ) ( ( ( exerting up ) ( ( ( ( ( ( to ( ( 20 pounds ) ( of force ) ) ) occasionally ) , ) or ) up ) ( to ( ( ( ( ( 10 pounds ) ( of ( force frequently ) ) ) , ) or ) ( ( a ( negligible amount ) ) ( of force ) ) ) ) ) ) ( constantly ( to ( move objects ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP PHYSICAL) (NNP REQUIREMENTS)) (VP (VBZ Performs) (NP (NP (JJ light) (NN work)) (, ,) (VP (VBG exerting) (PRT (RP up)) (PP (PP (TO to) (NP (NP (CD 20) (NNS pounds)) (PP (IN of) (NP (NN force))))) (ADVP (RB occasionally)) (, ,) (CC or) (RB up) (PP (TO to) (NP (NP (NP (CD 10) (NNS pounds)) (PP (IN of) (NP (NP (NN force)) (ADVP (RB frequently))))) (, ,) (CC or) (NP (NP (DT a) (JJ negligible) (NN amount)) (PP (IN of) (NP (NN force))))))) (S (ADVP (RB constantly)) (VP (TO to) (VP (VB move) (NP (NNS objects)))))))) (. .)))
PHYSICAL REQUIREMENTS Performs light work, exerting up to 20 pounds of force occasionally, or up to 10 pounds of force frequently, or a negligible amount of force constantly to move objects.
(ROOT (S (PP (IN In) (NP (NN physics))) (, ,) (NP (NN work)) (VP (VBZ means) (S (NP (NP (DT the) (NN use)) (PP (IN of) (NP (NN force)))) (VP (TO to) (VP (VB move) (NP (DT an) (NN object)))))) (. .)))