Two runners exit a tunnel.
There are runners leaving a tunnel
Runner exit mean runners leaving.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_exit(e1) & n_tunnel(x2) & n_runner(x1) & card_eq_2(x1))
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_leave(e1) & n_tunnel(x4) & (x2 = x3) & n_runner(x2))