Two people eating at a restaurant.
Two people are chewing on food.
Eating is another way of saying chewing on food.
exists e1 x1 x2 x3.(a_topic(x1) & at(e1,x3) & n_restaurant(x3) & Actor(e1,x2) & v_eat(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(on(e1,x2) & n_food(x2) & Actor(e1,x1) & v_chew(e1) & n_people(x1) & card_eq_2(x1))