They maybe was discovered too of position n<apostrophe>t below .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (NP_1 (PRP_0 They)) (ADVP_0 (RB_0 maybe))) (VP_3 (VBD_1 was) (VP_2 (ATVP_2 (ATVP_0 (VBD_0 discovered) (RB_1 too)) (PP_1 (IN_1 of) (NP_2 (NN_3 position) (RB_1 n<apostrophe>t)))) (ADVP_0 (RB_0 below))))) (DOT_0 .)))