At that point, the second call was cut off.
( ( At ( that point ) ) ( , ( ( the ( second call ) ) ( ( was ( cut off ) ) . ) ) ) )
(ROOT (S (PP (IN At) (NP (DT that) (NN point))) (, ,) (NP (DT the) (JJ second) (NN call)) (VP (VBD was) (VP (VBN cut) (PRT (RP off)))) (. .)))
The second call was ended because a bomb hit the line.
( ( The ( second call ) ) ( ( was ( ended ( because ( ( a bomb ) ( hit ( the line ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ second) (NN call)) (VP (VBD was) (VP (VBN ended) (SBAR (IN because) (S (NP (DT a) (NN bomb)) (VP (VBD hit) (NP (DT the) (NN line))))))) (. .)))