premise: A man wearing an apron is smiling at a plate of food.
hypothesis: The woman looked at the food plate and frowned.
explanation_1: A man and woman are two different genders.
explanation_2: The first sentence is about a man and the second sentence is about a woman.
explanation_3: The person is either a man or a woman.  They also cannot be both smiling and frowning.
premise_logic: exists e1 e2 x1 x2 x3 x4 x5.(at(e2,x4) & of(x4,x5) & n_food(x5) & n_plate(x4) & Actor(e2,x1) & v_smile(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_apron(x3) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 e2 x1 x2 x3.(n_woman(x1) & n_plate(x2) & of(x2,x3) & n_food(x3) & Actor(e2,x1) & v_frown(e2) & at(e1,x2) & Actor(e1,x1) & v_look(e1))
premise_sim: exists e1 e2 x1 x2 x3 x4 x5.(v_wear(e1) & v_smile(e2) & of(x4,x5) & n_plate(x4) & n_man(x1) & n_food(x5) & n_apron(x3) & at(e2,x4) & Theme(e1,x3) & Actor(e2,x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 e2 x1 x2 x3.(v_look(e1) & v_frown(e2) & of(x2,x3) & n_woman(x1) & n_plate(x2) & n_food(x3) & at(e1,x2) & Actor(e2,x1) & Actor(e1,x1))