Two shirtless men are sparring while a line of men in white shirts and black shorts watch.
Two clothed men are sparring while no one watches.
The men cannot be clothed if they are shirtless. If no one watches there could not be a line of men who watch.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7.(while(e1,x2) & of(x2,x5) & Theme(e2,x7) & Actor(e2,x6) & v_watch(e2) & (x5 = x7) & n_shorts(x6) & a_black(s3) & Theme(s3,x6) & n_man(x5) & of(x2,x3) & in(x3,x4) & n_shirt(x4) & a_white(s2) & Theme(s2,x4) & n_man(x3) & n_line(x2) & Actor(e1,x1) & v_spar(e1) & n_man(x1) & a_shirtless(s1) & Theme(s1,x1) & card_eq_2(x1))
exists e1 p1 s1 x1.(-exists e2 x2.(Actor(e2,x2) & v_watch(e2) & n_one(x2)) & while(e1,p1) & Actor(e1,x1) & v_spar(e1) & n_man(x1) & a_clothed(s1) & Theme(s1,x1) & card_eq_2(x1))