entertaining , if ultimately minor , 
(ROOT (S (VP (VBG entertaining) (, ,) (SBAR (IN if) (FRAG (ADVP (RB ultimately)) (ADJP (JJ minor))))) (, ,)))
(ROOT (S (VP (VBG ) (, ) (SBAR (IN ) (FRAG (ADVP (RB )) (ADJP (JJ ))))) (, )))