This was followed by a second radio transmission, with sounds of screaming.
( This ( ( was ( ( ( followed ( by ( a ( second ( radio transmission ) ) ) ) ) , ) ( with ( sounds ( of screaming ) ) ) ) ) . ) )
(ROOT (S (NP (DT This)) (VP (VBD was) (VP (VBN followed) (PP (IN by) (NP (DT a) (JJ second) (NN radio) (NN transmission))) (, ,) (PP (IN with) (NP (NP (NNS sounds)) (PP (IN of) (S (VP (VBG screaming)))))))) (. .)))
There was another radio transmission that had a lot of people screaming about a hijacker killing people
( There ( was ( ( another ( radio transmission ) ) ( that ( had ( ( a lot ) ( of ( people ( screaming ( about ( ( a hijacker ) ( killing people ) ) ) ) ) ) ) ) ) ) ) )
(ROOT (S (NP (EX There)) (VP (VBD was) (NP (NP (DT another) (NN radio) (NN transmission)) (SBAR (WHNP (WDT that)) (S (VP (VBD had) (NP (NP (DT a) (NN lot)) (PP (IN of) (NP (NP (NNS people)) (VP (VBG screaming) (PP (IN about) (NP (NP (DT a) (NN hijacker)) (VP (VBG killing) (NP (NNS people))))))))))))))))