A man in blue and a man in red box each other.
two men fight each other
'fight' has been used as a synonym for 'box', also if there is 'a man in blue and a man in red' that indicates there are two men.
exists x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & all x5.(n_other(x5) -> exists s1 x6.(subset_of(x4,x2) & in(x4,x6) & for(x6,x5) & n_box(x6) & a_red(s1) & Theme(s1,x6))) & n_man(x4) & subset_of(x3,x2) & n_blue(x3) & n_man(x1))
exists x1.(all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_fight(e1))) & n_man(x1) & card_eq_2(x1))