I forgot about comic books!
( I ( ( forgot ( about ( comic books ) ) ) ! ) )
(ROOT (S (NP (PRP I)) (VP (VBD forgot) (PP (IN about) (NP (JJ comic) (NNS books)))) (. !)))
We have talked for hours about comic books.
( We ( ( have ( talked ( for ( hours ( about ( comic books ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBP have) (VP (VBN talked) (PP (IN for) (NP (NP (NNS hours)) (PP (IN about) (NP (JJ comic) (NNS books))))))) (. .)))