She felt really had forced in thunder , the heavy valley up on the nice yawn on gravel purple <apostrophe>s .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 She)) (VP_4 (VBD_2 felt) (S_2 (VP_0 (ATVP_0 (ADVP_0 (RB_0 really)) (VBD_2 had)) (VP_2 (ATVP_4 (ATVP_4 (VBD_2 forced) (PP_2 (IN_0 in) (NP_3 (ATNP_0 (NP_5 (NN_3 thunder)) (COMMA_0 ,)) (NP_6 (ATNP_1 (DT_0 the) (JJ_1 heavy)) (NN_1 valley))))) (PRT_0 (RP_0 up))) (PP_2 (IN_0 on) (NP_3 (NP_6 (ATNP_1 (DT_0 the) (JJ_1 nice)) (NN_1 yawn)) (PP_0 (IN_1 on) (NP_4 (ATNP_0 (JJ_0 gravel) (JJ_1 purple)) (POS_0 <apostrophe>s)))))))))) (DOT_0 .)))