now they saw else n<apostrophe>t low mounds .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ADVP_0 (RB_0 now)) (NP_0 (PRP_1 they))) (VP_3 (ATVP_4 (VBD_1 saw) (RB_1 else)) (ADVP_0 (RB_1 n<apostrophe>t) (NP_4 (JJ_1 low) (NNS_1 mounds))))) (DOT_0 .)))