Oh , it could be a navy stars pushed down green .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (INTJ_0 (UH_0 Oh)) (COMMA_0 ,)) (NP_0 (PRP_1 it))) (VP_3 (MD_0 could) (VP_1 (VB_0 be) (S_2 (NP_1 (ATNP_0 (DT_0 a) (NN_3 navy)) (NNS_0 stars)) (VP_2 (ATVP_3 (VBD_2 pushed) (PRT_0 (RP_0 down))) (ADJP_0 (JJ_0 green))))))) (DOT_0 .)))