The two man are fixing something.
Two men are arguing over a car accident they just had.
One cannot be fixing something and arguing over a car accident simultaneously.
exists e1 x1 x2.(n_man(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_fix(e1) & n_thing(x2))
exists e2 e1 s1 x1 x2 x3 x4.(over(e1,x2) & a_just(s1) & Manner(e2,s1) & Theme(e2,x4) & Actor(e2,x1) & v_have(e2) & (x2 = x4) & n_thing(x1) & n_accident(x2) & of(x2,x3) & n_car(x3) & Actor(e1,x1) & v_argue(e1) & n_man(x1) & card_eq_2(x1))