premise: A man laughing while at a restaurant.
hypothesis: A man crying while at a restaurant.
explanation_1: Laughing and crying show two different emotions, laughing implies he is happy and crying implies he is sad, you can't be both.
explanation_2: The man is either laughing or crying; he cannot perform both actions at the same time.
explanation_3: A man cannot be crying and laughing at the same time.
premise_logic: exists e1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_restaurant(x3) & r_while(e1) & Actor(e1,x2) & v_laugh(e1) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_restaurant(x3) & r_while(e1) & Actor(e1,x2) & v_cry(e1) & (x1 = x2) & n_man(x1))
premise_sim: exists e1 x1 x2 x3.(v_laugh(e1) & r_while(e1) & n_restaurant(x3) & n_man(x1) & at(e1,x3) & a_topic(x1) & Actor(e1,x2) & (x1 = x2))
hypothesis_sim: exists e1 x1 x2 x3.(v_cry(e1) & r_while(e1) & n_restaurant(x3) & n_man(x1) & at(e1,x3) & a_topic(x1) & Actor(e1,x2) & (x1 = x2))