Many people looking at an old locomotive.
The locomotive is in an old railyard
Not all locomotives are in an old railyard.
exists e1 s1 x1 x2.(at(e1,x2) & n_locomotive(x2) & a_old(s1) & Theme(s1,x2) & Actor(e1,x1) & v_look(e1) & n_people(x1) & n_quantity(x1))
exists p1 x1.(n_locomotive(x1) & exists s1 x2.(in(x1,x2) & n_railyard(x2) & a_old(s1) & Theme(s1,x2)))