( ( ( Before matter ) ( passes ( ( the point ) ( of ( ( no return ) ( in ( a ( black hole ) ) ) ) ) ) ) ) ( it ( ( is ( crushed ( by ( the ( strong ( gravitational field ) ) ) ) ) ) ; ) ) )
(ROOT (S (SBAR (SINV (PP (IN Before) (NP (NN matter))) (VP (VBZ passes)) (NP (NP (DT the) (NN point)) (PP (IN of) (NP (NP (DT no) (NN return)) (PP (IN in) (NP (DT a) (JJ black) (NN hole)))))))) (NP (PRP it)) (VP (VBZ is) (VP (VBN crushed) (PP (IN by) (NP (DT the) (JJ strong) (JJ gravitational) (NN field))))) (: ;)))
Before matter passes the point of no return in a black hole it is crushed by the strong gravitational field;
(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))))))))) (. .)))