Plus unmistakably he be kids the swollen valley of sudden classes .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (CC_0 Plus) (ADVP_0 (RB_0 unmistakably))) (NP_0 (PRP_1 he))) (VP_3 (ATVP_2 (VB_0 be) (NP_4 (NNS_1 kids))) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 swollen)) (NN_1 valley)) (PP_0 (IN_1 of) (NP_4 (JJ_1 sudden) (NNS_1 classes)))))) (DOT_0 .)))