A group of people walking in front of a large building.
A group of people running.
running and walking are two different actions
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & in(e1,x4) & of(x4,x5) & n_building(x5) & a_large(s1) & Theme(s1,x5) & n_front(x4) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_people(x2) & n_group(x1))
exists e1 x1 x2 x3.(a_topic(x1) & of(x1,x2) & Actor(e1,x3) & v_run(e1) & (x2 = x3) & n_people(x2) & n_group(x1))