A group of people eating at a restaurant.
A group of people are eating good food.
Not all restaurant serves good food.
exists e1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x2) & at(e1,x4) & n_restaurant(x4) & Actor(e1,x3) & v_eat(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_eat(e1) & n_food(x3) & a_good(s1) & Theme(s1,x3) & of(x1,x2) & n_people(x2) & n_group(x1))