um-hum yeah i know what that's like uh-huh
( ( um-hum ( yeah i ) ) ( know ( what ( that ( 's ( like uh-huh ) ) ) ) ) )
(ROOT (S (NP (JJ um-hum) (NN yeah) (NNS i)) (VP (VBP know) (SBAR (WHNP (WP what)) (S (NP (DT that)) (VP (VBZ 's) (PP (IN like) (NP (NN uh-huh)))))))))
That's like the worst thing that could happen.
( That ( ( 's ( like ( ( the ( worst thing ) ) ( that ( could happen ) ) ) ) ) . ) )
(ROOT (S (NP (DT That)) (VP (VBZ 's) (PP (IN like) (NP (NP (DT the) (JJS worst) (NN thing)) (SBAR (WHNP (WDT that)) (S (VP (MD could) (VP (VB happen)))))))) (. .)))