( ( ( Bautz and ) Morgan ) ( ( ( divide them ) ( into ( ( ( three ( morphological types ) ) : ) ( type ( I ( contains ( a ( supergiant ( cD galaxy ) ) ) ) ) ) ) ) ) ; ) )
(ROOT (S (NP (NNP Bautz) (CC and) (NNP Morgan)) (VP (VBP divide) (NP (PRP them)) (PP (IN into) (NP (NP (CD three) (JJ morphological) (NNS types)) (: :) (NP (NP (NN type)) (SBAR (S (NP (PRP I)) (VP (VBZ contains) (NP (DT a) (JJ supergiant) (NN cD) (NN galaxy))))))))) (: ;)))
Bautz and Morgan divide them into three morphological types: type I contains a supergiant cD galaxy;
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (CD three) (NNS types)) (PP (IN of) (NP (NNS galaxies))))) (. .)))