them might unmistakably was low option .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 them)) (VP_4 (ATVP_1 (MD_0 might) (ADVP_0 (RB_0 unmistakably))) (VP_5 (VBD_1 was) (NP_3 (JJ_1 low) (NN_0 option))))) (DOT_0 .)))