( ( Active galaxies ) ( ( usually ( fall ( in ( three types ) ) ) ) ; ) )
(ROOT (S (NP (JJ Active) (NNS galaxies)) (VP (ADVP (RB usually)) (VBP fall) (PP (IN in) (NP (CD three) (NNS types)))) (: ;)))
Active galaxies usually fall in three types;
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD three) (NNS types)) (PP (IN of) (NP (NNS galaxies))))) (. .)))