The second radio transmission, 35 seconds later, indicated that the fight was continuing.
( ( The ( second ( radio transmission ) ) ) ( , ( ( ( 35 seconds ) later ) ( , ( ( indicated ( that ( ( the fight ) ( was continuing ) ) ) ) . ) ) ) ) )
(ROOT (S (NP (DT The) (JJ second) (NN radio) (NN transmission)) (, ,) (ADVP (NP (CD 35) (NNS seconds)) (RB later)) (, ,) (VP (VBD indicated) (SBAR (IN that) (S (NP (DT the) (NN fight)) (VP (VBD was) (VP (VBG continuing)))))) (. .)))
No transmission indicating the flights continuance was given. 
( ( ( No transmission ) ( indicating ( the ( flights continuance ) ) ) ) ( ( was given ) . ) )
(ROOT (S (NP (NP (DT No) (NN transmission)) (VP (VBG indicating) (NP (DT the) (NNS flights) (NN continuance)))) (VP (VBD was) (VP (VBN given))) (. .)))