A red metal sculpture is surrounded by a large number of people.
A large group of people is looking at the sculpture.
A sculpture could be made of red metal.  A large group and large number could be the same thing.
exists e1 s1 s2 x1 x2 x3 x4.(Actor(e1,x3) & of(x3,x4) & n_people(x4) & n_number(x3) & a_large(s2) & Theme(s2,x3) & Theme(e1,x1) & v_surround(e1) & n_sculpture(x1) & of(x1,x2) & n_metal(x2) & a_red(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(n_sculpture(x3) & at(e1,x3) & Actor(e1,x1) & v_look(e1) & of(x1,x2) & n_people(x2) & n_group(x1) & a_large(s1) & Theme(s1,x1))