two guys in street cloths doing some marshal arts.
There are two people fighting.
There are two people fighting with martial arts.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x5) & Actor(e1,x4) & v_do(e1) & n_art(x5) & a_marshal(s1) & Theme(s1,x5) & (x1 = x4) & in(x1,x2) & n_cloth(x2) & of(x2,x3) & n_street(x3) & n_guy(x1) & card_eq_2(x1))
exists p1 x1 e1 x2 x3.((x1 = x2) & Actor(e1,x3) & v_fight(e1) & (x2 = x3) & n_people(x2) & card_eq_2(x2))