Two men participate in a recreation of a medieval sword fight while a crowd watches.
The two men are playing chess.
The two men cannot play chess and have a sword fight simultaneously.
exists e1 p1 s1 x1 x2 x3 x4.(exists e2 x5.(Actor(e2,x5) & v_watch(e2) & n_crowd(x5)) & while(e1,p1) & in(e1,x2) & of(x2,x3) & n_fight(x3) & of(x3,x4) & n_sword(x4) & a_medieval(s1) & Theme(s1,x3) & n_recreation(x2) & Actor(e1,x1) & v_participate(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_man(x1) & card_eq_2(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_chess(x2))