then A heard the being yawn of the clouds .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ADVP_0 (RB_0 then)) (NP_0 (DT_1 A))) (VP_3 (VBD_0 heard) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (VBG_0 being)) (NN_1 yawn)) (PP_0 (IN_1 of) (NP_2 (DT_0 the) (NNS_1 clouds)))))) (DOT_0 .)))