People are running from a fire.
The fire is in a building.
Just because people are running it cannot be said that the fire is in a building.
exists e1 x1 x2.(from(e1,x2) & n_fire(x2) & Actor(e1,x1) & v_run(e1) & n_people(x1))
exists p1 x1.(n_fire(x1) & exists x2.(in(x1,x2) & n_building(x2)))