their best potatoes and calculations , stop of one Did dropped to classes .
(ROOT_0 (S_0 (ATS_3 (NP_1 (ATNP_2 (ATNP_0 (PRPDOLLAR_0 their) (JJS_0 best)) (NP_3 (ATNP_0 (NP_4 (NNS_1 potatoes)) (CC_0 and)) (NNS_0 calculations))) (COMMA_0 ,)) (VP_4 (ATVP_1 (ATVP_4 (VB_0 stop) (PP_1 (IN_1 of) (NP_4 (CD_0 one)))) (ADVP_0 (RB_0 Did))) (VP_5 (VBD_2 dropped) (PP_2 (TO_0 to) (NP_3 (NNS_1 classes)))))) (DOT_0 .)))