( ( For instance ) ( , ( ( at ( times ( when ( ( the ( radio waves ) ) ( pass ( close ( to ( the ( other ( neutron star ) ) ) ) ) ) ) ) ) ) ( , ( they ( ( should ( be ( deflected ( by ( ( the ( star 's ) ) ( gravitational field ) ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (PP (IN For) (NP (NN instance))) (, ,) (PP (IN at) (NP (NP (NNS times)) (SBAR (WHADVP (WRB when)) (S (NP (DT the) (NN radio) (NNS waves)) (VP (VBP pass) (ADJP (JJ close) (PP (TO to) (NP (DT the) (JJ other) (NN neutron) (NN star))))))))) (, ,) (NP (PRP they)) (VP (MD should) (VP (VB be) (VP (VBN deflected) (PP (IN by) (NP (NP (DT the) (NN star) (POS 's)) (JJ gravitational) (NN field)))))) (. .)))
For instance, at times when the radio waves pass close to the other neutron star, they should be deflected by the star's 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))))))))) (. .)))