( ( and ( blue ( -LRB- ( ( ( B ( = ( IR-blocking + ) ) ) ( blue ( dichroic filter ) ) ) -RRB- ) ) ) ) . )
(ROOT (S (VP (VB and) (NP (NP (NN blue)) (PRN (-LRB- -LRB-) (NP (NP (NNP B) (NNP =) (NNP IR-blocking) (NNP +)) (NP (JJ blue) (JJ dichroic) (NN filter))) (-RRB- -RRB-)))) (. .)))
and blue (B = IR-blocking + blue dichroic filter).
(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)))))))) (. .)))