A man runs as a firetruck arrives to a fire.
A man runs while a firetruck arrives to take care of the fire.
A firetruck arriving at a fire implies that it will take care of the fire.
exists e1 p1 x1.(exists e2 x2 x3.(to(e2,x3) & n_fire(x3) & Actor(e2,x2) & v_arrive(e2) & n_firetruck(x2)) & as(e1,p1) & Actor(e1,x1) & v_run(e1) & n_man(x1))
exists e1 p1 x1 x4.(n_fire(x4) & exists e2 p2 x2.(Topic(e2,p2) & Actor(e2,x2) & v_arrive(e2) & exists e3 x3.(of(e3,x4) & Theme(e3,x3) & Actor(e3,x2) & v_take(e3) & n_care(x3)) & n_firetruck(x2)) & while(e1,p1) & Actor(e1,x1) & v_run(e1) & n_man(x1))