( It ( ( is ( ( the ( ( most common ) type ) ) ( of ( ( ( acute lymphoblastic ) leukemia ) ( -LRB- ( ALL -RRB- ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP It)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ common)) (NN type)) (PP (IN of) (NP (NP (ADJP (JJ acute) (JJ lymphoblastic)) (NN leukemia)) (PRN (-LRB- -LRB-) (NP (NNP ALL)) (-RRB- -RRB-)))))) (. .)))
It is the most common type of acute lymphoblastic leukemia (ALL).
(ROOT (S (NP (NNP Leukemia)) (VP (VBZ is) (NP (NP (DT the) (ADJP (RBS most) (JJ common)) (NN type)) (PP (IN of) (NP (NP (NN cancer)) (VP (VBN developed) (PP (IN in) (NP (NNS children)))))))) (. .)))