on her friend <apostrophe>s halt calculations , Noah knew .
(ROOT_0 (S_0 (ATS_3 (ATS_1 (ATS_2 (PP_2 (IN_0 on) (NP_3 (ATNP_0 (NP_4 (ATNP_0 (PRPDOLLAR_0 her) (NN_1 friend)) (POS_0 <apostrophe>s)) (NN_2 halt)) (NNS_0 calculations))) (COMMA_0 ,)) (NP_0 (NNP_0 Noah))) (VP_3 (VBD_0 knew))) (DOT_0 .)))