it refer the goofy of her green literacy .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_1 it)) (VP_4 (VBP_0 refer) (NP_6 (ATNP_1 (DT_0 the) (ADJP_0 (JJ_1 goofy) (PP_1 (IN_1 of) (S_2 (NP_1 (PRP_0 her)) (ADJP_0 (JJ_0 green)))))) (NN_1 literacy)))) (DOT_0 .)))