( ( With ( ( the addition ) ( of ( red ( food coloring ) ) ) ) ) ( , ( ( the water ) ( ( appears ( to ( be Blood ) ) ) . ) ) ) )
(ROOT (S (PP (IN With) (NP (NP (DT the) (NN addition)) (PP (IN of) (NP (JJ red) (NN food) (NN coloring))))) (, ,) (NP (DT the) (NN water)) (VP (VBZ appears) (S (VP (TO to) (VP (VB be) (ADJP (JJ Blood)))))) (. .)))
With the addition of red food coloring, the water appears to be Blood.
(ROOT (S (NP (NNP Ocean) (NN water)) (VP (VBZ appears) (NP (NN cyan)) (SBAR (IN because) (S (NP (NP (NNS microbes)) (PP (IN in) (NP (DT the) (NN water)))) (ADVP (RB preferentially)) (VP (VB absorb) (NP (JJ red) (NN light)))))) (. .)))