oh really yeah i've i've never seen either one of them
( oh ( really ( yeah ( i ( 've ( i ( ( 've never ) ( seen ( ( either one ) ( of them ) ) ) ) ) ) ) ) ) )
(ROOT (S (NP (NNP oh)) (VP (ADVP (RB really)) (VBP yeah) (SBAR (S (NP (FW i)) (VP (VBP 've) (NP (NP (FW i)) (SBAR (S (VP (VBP 've) (ADVP (RB never)) (VP (VBN seen) (NP (NP (DT either) (NN one)) (PP (IN of) (NP (PRP them)))))))))))))))
I have no idea what they look like.
( I ( ( have ( ( no idea ) ( what ( they ( look like ) ) ) ) ) . ) )
(ROOT (S (NP (PRP I)) (VP (VBP have) (NP (NP (DT no) (NN idea)) (SBAR (WHNP (WP what)) (S (NP (PRP they)) (VP (VBP look) (PP (IN like))))))) (. .)))