premise: A woman in a purple shirt buying food from a street vendor.
hypothesis: A man buys a tv at Best Buy.
explanation_1: One is either a man or a woman.  Best Buy is a store in a building, which is different from a street vendor.
explanation_2: A man is different from a woman and while he buys a tv at Best Buy, the woman is buying food from a street vendor..
explanation_3: woman can not be a man
premise_logic: exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & from(e1,x5) & n_vendor(x5) & of(x5,x6) & n_street(x6) & Theme(e1,x4) & Actor(e1,x3) & v_buy(e1) & n_food(x4) & (x1 = x3) & in(x1,x2) & n_shirt(x2) & a_purple(s1) & Theme(s1,x2) & n_woman(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4.(ne_org_buy(x3) & (x3 = x4) & ne_org_best(x4) & at(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_buy(e1) & n_tv(x2) & n_man(x1))