and them <apostrophe>ll colder and darker were a mounds .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (CC_0 and) (NP_1 (PRP_0 them))) (VP_3 (ATVP_1 (MD_0 <apostrophe>ll) (ADVP_0 (ATADVP_5 (JJR_0 colder) (CC_0 and)) (JJR_0 darker))) (VP_5 (VBD_1 were) (NP_3 (DT_0 a) (NNS_1 mounds))))) (DOT_0 .)))