To keep the colors fresh, he dabbed the carcass with blood from a pail, then grabbed his paintbrushes to capture those lurid reds on canvas.
( ( To ( keep ( ( the colors ) fresh ) ) ) ( ( , ( ( he ( ( ( dabbed ( the carcass ) ) ( with blood ) ) ( from ( a pail ) ) ) ) , ) ) ( ( then ( ( grabbed ( his paintbrushes ) ) ( to ( ( capture ( those ( lurid reds ) ) ) ( on canvas ) ) ) ) ) . ) ) )
(ROOT (S (S (VP (TO To) (VP (VB keep) (S (NP (DT the) (NNS colors)) (ADJP (JJ fresh)))))) (PRN (, ,) (S (NP (PRP he)) (VP (VBD dabbed) (NP (DT the) (NNS carcass)) (PP (IN with) (NP (NN blood))) (PP (IN from) (NP (DT a) (NN pail))))) (, ,)) (VP (ADVP (RB then)) (VBD grabbed) (NP (PRP$ his) (NNS paintbrushes)) (S (VP (TO to) (VP (VB capture) (NP (DT those) (JJ lurid) (NNS reds)) (PP (IN on) (NP (NN canvas))))))) (. .)))
Many questioned why he was painting with blood in the first place.
( Many ( ( questioned ( why ( he ( was ( painting ( with ( blood ( in ( the ( first place ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT Many)) (VP (VBD questioned) (SBAR (WHADVP (WRB why)) (S (NP (PRP he)) (VP (VBD was) (VP (VBG painting) (PP (IN with) (NP (NP (NN blood)) (PP (IN in) (NP (DT the) (JJ first) (NN place)))))))))) (. .)))