( ( Lipoprotein ( lipase activity ) ) ( is ( required ( for ( cardiac ( lipid ( droplet production ) ) ) ) ) ) )
(ROOT (S (NP (NNP Lipoprotein) (NN lipase) (NN activity)) (VP (VBZ is) (VP (VBN required) (PP (IN for) (NP (JJ cardiac) (NN lipid) (NN droplet) (NN production)))))))
Lipoprotein lipase activity is required for cardiac lipid droplet production
(ROOT (S (NP (NNS Lipids)) (VP (VBP are) (VP (VBN broken) (PRT (RP down)) (PP (IN by) (NP (NNS lipases))))) (. .)))