two children play with food on a table.
Two children are not eating the food.
Two children play with food clearly implies they are not eating
exists e1 x1 x2 x3.(on(e1,x3) & n_table(x3) & with(e1,x2) & n_food(x2) & Actor(e1,x1) & v_play(e1) & n_child(x1) & card_eq_2(x1))
exists x1 x2.(n_food(x2) & -exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_eat(e1)) & n_child(x1) & card_eq_2(x1))