if class the country , , and all egg colder but darker did .
(ROOT_0 (S_0 (ATS_3 (ATS_4 (ATS_0 (ATS_0 (S_2 (NP_1 (IN_2 if) (NN_3 class)) (NP_5 (DT_0 the) (NN_2 country))) (COMMA_0 ,)) (COMMA_0 ,)) (CC_0 and)) (S_1 (ATS_1 (NP_1 (DT_1 all) (NN_2 egg)) (ADVP_0 (ATADVP_9 (JJR_0 colder) (CC_0 but)) (JJR_0 darker))) (VP_3 (VBD_0 did)))) (DOT_0 .)))