A crowd of people of different ages at a food stand.
A crowd of people are waiting to buy hot dogs.
The food stand doesn't necessarily sell hot dogs.
exists x1 x2 x3 x4 x5 x6.(n_age(x4) & a_topic(x1) & at(x1,x5) & n_stand(x5) & of(x5,x6) & n_food(x6) & of(x1,x3) & -(x3 = x4) & n_age(x3) & of(x1,x2) & n_people(x2) & n_crowd(x1))
exists e1 p1 x1 x2.(Topic(e1,p1) & Actor(e1,x1) & v_wait(e1) & exists e2 s1 x3.(Theme(e2,x3) & Actor(e2,x1) & v_buy(e2) & n_dog(x3) & a_hot(s1) & Theme(s1,x3)) & of(x1,x2) & n_people(x2) & n_crowd(x1))