It narrowed why to full friend sparkles .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (VBD_1 narrowed) (VP_2 (VBN_0 why) (PP_2 (TO_0 to) (NP_3 (ATNP_0 (JJ_0 full) (NN_0 friend)) (NNS_0 sparkles)))))) (DOT_0 .)))