( ( ( Wait ( for ( ( a series ) ( of ( blue blocks ) ) ) ) ) ( to ( ( ( appear and ) fill ) ( the slot ) ) ) ) . )
(ROOT (S (VP (VB Wait) (PP (IN for) (NP (NP (DT a) (NN series)) (PP (IN of) (NP (JJ blue) (NNS blocks))))) (S (VP (TO to) (VP (VB appear) (CC and) (VB fill) (NP (DT the) (NN slot)))))) (. .)))
Wait for a series of blue blocks to appear and fill the slot.
(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)))))))) (. .)))