( ( In science ) ( , ( stress ( ( means ( that ( ( a force ) ( is ( applied ( to ( a body ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN In) (NP (NN science))) (, ,) (NP (NN stress)) (VP (VBZ means) (SBAR (IN that) (S (NP (DT a) (NN force)) (VP (VBZ is) (VP (VBN applied) (PP (TO to) (NP (DT a) (NN body)))))))) (. .)))
In science, stress means that a force is applied to a body.
(ROOT (S (NP (NP (DT The) (NN force)) (VP (VBN applied) (PP (TO to) (NP (DT an) (NN object))))) (VP (VBZ is) (VP (VBN called) (NP (NN stress)))) (. .)))