They crumpled as the class . <apostrophe><apostrophe>
(ROOT_0 (S_0 (ATS_2 (ATS_3 (NP_1 (PRP_0 They)) (VP_4 (VBN_0 crumpled) (PP_0 (IN_1 as) (NP_5 (DT_0 the) (NN_2 class))))) (DOT_0 .)) (APOSTROPHE_0 <apostrophe><apostrophe>)))