There's two men typing on a computer.
Two men are running a race.
Running and typing are different activities.
exists p1 x1 e1 x2 x3 x4.((x1 = x2) & on(e1,x4) & n_computer(x4) & Actor(e1,x3) & v_type(e1) & (x2 = x3) & n_man(x2) & card_eq_2(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_race(x2) & n_man(x1) & card_eq_2(x1))