( ( of ( a ( cement block ) ) ) ( Blue sea ) )
(ROOT (FRAG (PP (IN of) (NP (DT a) (NN cement) (NN block))) (NP (JJ Blue) (NN sea))))
of a cement block Blue sea
(ROOT (S (NP (DT A) (JJ blue) (NN block)) (VP (VBZ appears) (ADJP (JJ blue) (PP (IN in) (NP (DT the) (NN sunlight)))) (SBAR (IN if) (S (NP (RB only) (JJ blue) (NN light)) (VP (VBZ is) (VP (VBN reflected) (PP (IN by) (NP (DT the) (NN block)))))))) (. .)))