 Yeah, he's down.
( Yeah ( , ( he ( ( 's down ) . ) ) ) )
(ROOT (S (INTJ (UH Yeah)) (, ,) (NP (PRP he)) (VP (VBZ 's) (ADJP (RP down))) (. .)))
He is still up.
( He ( ( ( is still ) up ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBZ is) (ADVP (RB still)) (ADVP (RB up))) (. .)))