premise: A man in a green apron smiles behind a food stand.
hypothesis: A woman in blue buys food.
explanation_1: A man can't be a woman.
explanation_2: He refers to a man, not a woman.
explanation_3: Man  and woman are opposite genders "Food" is an item, where as the" food stand" is where the food item is displayed.
premise_logic: exists e1 s1 x1 x2 x3 x4.(behind(e1,x3) & n_stand(x3) & of(x3,x4) & n_food(x4) & Actor(e1,x1) & v_smile(e1) & in(x1,x2) & n_apron(x2) & a_green(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x2) & n_food(x2) & of(x2,x3) & n_buy(x3) & a_blue(s1) & Theme(s1,x2) & n_woman(x1))