They stronger and colder loved his friend .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (NP_1 (PRP_0 They)) (ADVP_0 (ATADVP_7 (JJR_0 stronger) (CC_0 and)) (JJR_0 colder))) (VP_3 (VBD_0 loved) (NP_3 (PRPDOLLAR_0 his) (NN_0 friend)))) (DOT_0 .)))