( So ( Blue ( ( is blocked ) ; ) ) )
(ROOT (S (CC So) (NP (NNP Blue)) (VP (VBZ is) (VP (VBN blocked))) (: ;)))
So Blue is blocked;
(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)))))))) (. .)))