( leukemia ( ( is ( ( the form ) ( of ( cancer ( ( most commonly ) ( associated ( with ( long-term ( benzene exposure ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NN leukemia)) (VP (VBZ is) (NP (NP (DT the) (NN form)) (PP (IN of) (NP (NP (NN cancer)) (VP (ADVP (RBS most) (RB commonly)) (VBN associated) (PP (IN with) (NP (JJ long-term) (NN benzene) (NN exposure)))))))) (. .)))
leukemia is the form of cancer most commonly associated with long-term benzene exposure.
(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)))))))) (. .)))