Two girls are eating on a bench.
two people are consuming food.
Girls are people, and "consuming food" is a synonym of "eating."
exists e1 x1 x2.(on(e1,x2) & n_bench(x2) & Actor(e1,x1) & v_eat(e1) & n_girl(x1) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_consume(e1) & n_food(x2) & n_people(x1) & card_eq_2(x1))