People are clustered together on a city street.
The people are watching the building burn down.
People are clustered together on a city street does not imply that they are watching the building burn down.
exists e1 s1 x1 x2 x3.(on(e1,x2) & n_street(x2) & of(x2,x3) & n_city(x3) & a_together(s1) & Manner(e1,s1) & Theme(e1,x1) & v_cluster(e1) & n_people(x1))
exists e2 e1 p1 x1 x2 x3.(n_building(x2) & n_people(x1) & Theme(e2,x2) & Actor(e2,x1) & v_watch(e2) & exists s1.(Theme(s1,x3) & a_down(s1)) & Topic(e1,p1) & Actor(e1,x3) & v_burn(e1) & (x2 = x3))