it meant who to know Bolivians potatoes .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_1 it)) (VP_4 (VBD_0 meant) (SBAR_0 (WHNP_0 (WP_0 who)) (S_2 (VP_0 (TO_0 to) (VP_1 (VB_0 know) (NP_3 (NNP_1 Bolivians) (NNS_1 potatoes)))))))) (DOT_0 .)))