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(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_2 (ATNP_2 (NP_4 (NNS_1 clouds)) (PP_2 (IN_0 on) (NP_3 (ATNP_1 (PDT_0 such) (DT_0 a)) (NN_1 api)))) (COMMA_0 ,)) (COMMA_0 ,)) (VP_4 (VBD_1 howled) (VP_2 (VBN_0 assigned) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 think) (S_2 (VP_0 (TO_0 to) (VP_1 (ATVP_2 (ATVP_4 (VB_0 keep) (ADVP_0 (RB_0 much))) (ADVP_0 (RB_1 Then) (RB_1 not))) (ADVP_0 (RB_0 now))))))))))) (DOT_0 .)))