( However ( , ( ( ( too ( much fat ) ) ( in ( the diet ) ) ) ( ( can ( increase ( ( the risk ) ( of ( ( ( heart disease ) and ) ( certain cancers ) ) ) ) ) ) . ) ) ) )
(ROOT (S (ADVP (RB However)) (, ,) (NP (NP (RB too) (RB much) (JJ fat)) (PP (IN in) (NP (DT the) (NN diet)))) (VP (MD can) (VP (VB increase) (NP (NP (DT the) (NN risk)) (PP (IN of) (NP (NP (NN heart) (NN disease)) (CC and) (NP (JJ certain) (NNS cancers))))))) (. .)))
However, too much fat in the diet can increase the risk of heart disease and certain cancers.
(ROOT (S (NP (NNP Trans) (NNP fat)) (VP (VBD added) (PP (TO to) (NP (JJ certain) (NNS foods))) (S (VP (TO to) (VP (VB keep) (S (NP (PRP them)) (ADJP (JJ fresher))) (ADVP (RBR longer)) (, ,) (S (NP (NP (NN increase)) (PRN (-LRB- -LRB-) (PRP s) (-RRB- -RRB-))) (NP (NP (DT the) (NN risk)) (PP (IN of) (NP (NN heart) (NN disease))))))))) (. .)))