A crowd gathers at a huge monumental building.
The area surrounding the building is empty.
Either a crowd gather around a building, or the area surrounding the building is empty and devoid of people.
exists s1 s2 x1 x2 x3.(a_topic(x1) & at(x1,x3) & n_building(x3) & a_monumental(s2) & Theme(s2,x3) & a_huge(s1) & Theme(s1,x3) & n_gather(x1) & of(x1,x2) & n_crowd(x2))
exists e1 s1 x1 x2 x3.(n_building(x3) & n_area(x1) & Theme(s1,x1) & a_empty(s1) & Theme(e1,x3) & Actor(e1,x2) & v_surround(e1) & (x1 = x2))