`` you attended stones , Several hours , were .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_0 (TICK_0 ``) (S_1 (NP_0 (PRP_1 you)) (VP_5 (VBD_1 attended) (NP_3 (ATNP_0 (ATNP_0 (NP_4 (NNS_1 stones)) (COMMA_0 ,)) (JJ_0 Several)) (NNS_0 hours))))) (COMMA_0 ,)) (VP_3 (VBD_0 were))) (DOT_0 .)))