A large crowd stand watching with a large buildings in the background.
A group of people are in the city.
A crowd is a group, and the background is the city.
exists e1 s1 s2 x1 x2 x3 x4 x5.(n_background(x5) & a_topic(x1) & with(e1,x4) & in(x4,x5) & n_building(x4) & a_large(s2) & Theme(s2,x4) & Actor(e1,x3) & v_watch(e1) & (x1 = x3) & n_stand(x1) & of(x1,x2) & n_crowd(x2) & a_large(s1) & Theme(s1,x1))
exists p1 x1 x2 x3.(n_city(x3) & in(x1,x3) & of(x1,x2) & n_people(x2) & n_group(x1))