and They could lower but colder puffy able .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (CC_0 and) (NP_1 (PRP_0 They))) (VP_3 (ATVP_1 (MD_0 could) (ADVP_0 (ATADVP_9 (JJR_0 lower) (CC_0 but)) (JJR_0 colder))) (ADJP_0 (RB_0 puffy) (JJ_0 able)))) (DOT_0 .)))