Maybe a aura did there up if .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ADVP_0 (RB_0 Maybe)) (NP_0 (DT_0 a) (NN_2 aura))) (VP_3 (ATVP_4 (ATVP_4 (VBD_0 did) (RB_1 there)) (PRT_0 (RP_0 up))) (ADVP_0 (IN_2 if)))) (DOT_0 .)))