They unmistakably was Trailing the egg In face mountains .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (NP_1 (PRP_0 They)) (ADVP_0 (RB_0 unmistakably))) (VP_3 (VBD_1 was) (VP_2 (ATVP_4 (VBG_0 Trailing) (NP_5 (DT_0 the) (NN_2 egg))) (PP_2 (IN_0 In) (NP_3 (NN_0 face) (NNS_1 mountains)))))) (DOT_0 .)))