I was potatoes teaching her teeth where .
(ROOT_0 (S_0 (ATS_3 (NP_1 (PRP_0 I)) (VP_4 (VBD_1 was) (NP_2 (NP_4 (NNS_1 potatoes)) (VP_2 (VBG_0 teaching) (NP_2 (NP_5 (PRPDOLLAR_0 her) (NNS_0 teeth)) (FRAG_0 (WHADVP_0 (WRB_0 where)))))))) (DOT_0 .)))