a group of people standing on a small balcony of a large building
a group of people are on the balcony.
Saying that people are on the balcony is a rephrasing of "standing" on the balcony.
exists e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & on(e1,x4) & of(x4,x5) & n_building(x5) & a_large(s2) & Theme(s2,x5) & n_balcony(x4) & a_small(s1) & Theme(s1,x4) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists p1 x1 x2 x3.(n_balcony(x3) & on(x1,x3) & of(x1,x2) & n_people(x2) & n_group(x1))