and They discovered . Noah was badly back .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (ATS_3 (ATS_1 (CC_0 and) (NP_1 (PRP_0 They))) (VP_3 (VBD_0 discovered))) (DOT_0 .)) (NP_0 (NNP_0 Noah))) (VP_3 (ATVP_4 (VBD_1 was) (RB_1 badly)) (ADVP_0 (RB_0 back)))) (DOT_0 .)))