( ( Water molecules ) ( ( ( absorb ( ( red light ) ( ( ( weakly and ) infra-red ) strongly ) ) ) ( because ( ( the molecules ) ( ( vibrate greatly ) ( in ( the ( infra-red frequencies ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Water) (NNS molecules)) (VP (VBP absorb) (S (NP (JJ red) (NN light)) (ADJP (JJ weakly) (CC and) (JJ infra-red)) (ADVP (RB strongly))) (SBAR (IN because) (S (NP (DT the) (NNS molecules)) (VP (VBP vibrate) (ADVP (RB greatly)) (PP (IN in) (NP (DT the) (JJ infra-red) (NNS frequencies))))))) (. .)))
Water molecules absorb red light weakly and infra-red strongly because the molecules vibrate greatly in the infra-red frequencies.
(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)))))) (. .)))