A group of people are walking in front of a building.
A group of tourists pass a famous building.
The people are not necessarily tourists and the building is not necessarily famous.
exists e1 x1 x2 x3 x4.(in(e1,x3) & of(x3,x4) & n_building(x4) & n_front(x3) & Actor(e1,x1) & v_walk(e1) & of(x1,x2) & n_people(x2) & n_group(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_pass(e1) & n_building(x3) & a_famous(s1) & Theme(s1,x3) & of(x1,x2) & n_tourist(x2) & n_group(x1))