People are running from a fire.
A fire is burning.
Instinct would dictate that you run from a fire.
exists e1 x1 x2.(from(e1,x2) & n_fire(x2) & Actor(e1,x1) & v_run(e1) & n_people(x1))
exists p1 x1.(exists x2.((x1 = x2) & n_burning(x2)) & n_fire(x1))