( ( Among ( its predictions ) ) ( ( are ( that ( time ( ( runs ( more slowly ) ) ( in ( ( ( strong ( gravitational fields ) ) and ) ( ( the existence ) ( of ( ( ( gravitational lenses ) and ) ( gravitational waves ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (SINV (PP (IN Among) (NP (PRP$ its) (NNS predictions))) (VP (VBP are)) (SBAR (IN that) (S (NP (NN time)) (VP (VBZ runs) (ADVP (RBR more) (RB slowly)) (PP (IN in) (NP (NP (JJ strong) (JJ gravitational) (NNS fields)) (CC and) (NP (NP (DT the) (NN existence)) (PP (IN of) (NP (NP (JJ gravitational) (NNS lenses)) (CC and) (NP (JJ gravitational) (NNS waves)))))))))) (. .)))
Among its predictions are that time runs more slowly in strong gravitational fields and the existence of gravitational lenses and gravitational waves .
(ROOT (S (NP (JJ Strong) (JJ gravitational) (NNS fields)) (VP (VBP are) (ADJP (JJ capable) (PP (IN of) (S (VP (VBG altering) (NP (NP (DT the) (NN rate)) (PP (IN of) (NP (NN time) (NN passing))))))))) (. .)))