It should think the crazy when he smiled Quechua .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 It)) (VP_4 (MD_0 should) (VP_1 (VB_0 think) (NP_3 (NP_5 (DT_0 the) (JJ_0 crazy)) (SBAR_0 (WHADVP_0 (WRB_0 when)) (S_1 (NP_0 (PRP_1 he)) (VP_5 (VBD_1 smiled) (NP_3 (NNP_1 Quechua))))))))) (DOT_0 .)))