( ( A diet ) ( ( low ( in fat ) ) ( ( decreases ( ( ( ( the risk ) ( of ( heart disease ) ) ) and ) ( ( several kinds ) ( of cancer ) ) ) ) . ) ) )
(ROOT (S (NP (DT A) (NN diet)) (ADVP (JJ low) (PP (IN in) (ADJP (JJ fat)))) (VP (VBZ decreases) (NP (NP (NP (DT the) (NN risk)) (PP (IN of) (NP (NN heart) (NN disease)))) (CC and) (NP (NP (JJ several) (NNS kinds)) (PP (IN of) (NP (NN cancer)))))) (. .)))
A diet low in fat decreases the risk of heart disease and several kinds of cancer.
(ROOT (S (NP (NNP Trans) (NNS fats)) (VP (VBP have) (VP (VBN been) (VP (VBN implicated) (PP (IN in) (NP (NP (DT the) (NN presence)) (PP (IN of) (NP (NN heart) (NN disease)))))))) (. .)))