A crowd gathers at a huge monumental building.
The crowd is in front of a building.
crowd gathers at a huge monumental building is same as crowd is in front of a building
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 p1 x1.(n_crowd(x1) & exists x2 x3.(in(x1,x2) & of(x2,x3) & n_building(x3) & n_front(x2)))