( Giardia ( ( reproduce ( by ( ( ( a process ) ( of ( cell division ) ) ) ( -LRB- ( ( called ( binary fission ) ) -RRB- ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Giardia)) (VP (VBZ reproduce) (PP (IN by) (NP (NP (DT a) (NN process)) (PP (IN of) (NP (NN cell) (NN division))) (PRN (-LRB- -LRB-) (VP (VBN called) (S (ADJP (RB binary) (JJ fission)))) (-RRB- -RRB-))))) (. .)))
Giardia reproduce by a process of cell division (called binary fission).
(ROOT (S (NP (NP (NNP Reproduction)) (PP (IN in) (NP (JJ prokaryotic) (NNS cells)))) (VP (VBZ is) (PP (IN by) (NP (JJ binary) (NN fission) (, ,) (NN enlargement) (CC and) (NN division)))) (. .)))