 Yeah, he's down.
( Yeah ( , ( he ( ( 's down ) . ) ) ) )
(ROOT (S (INTJ (UH Yeah)) (, ,) (NP (PRP he)) (VP (VBZ 's) (ADJP (RP down))) (. .)))
He is down, stabbed by the hijacker.
( He ( ( ( ( is down ) , ) ( stabbed ( by ( the hijacker ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBZ is) (ADVP (RB down)) (, ,) (S (VP (VBN stabbed) (PP (IN by) (NP (DT the) (NN hijacker)))))) (. .)))