Man standing on soccer ball with knees while two women watch.
Man sitting on soccer ball with legs while two women watch.
The man cannot be standing on soccer ball and sitting on soccer ball simultaneously.
(x)
exists e1 e2 x1 x2 x3 x4 x5 x6 x7.(Theme(e2,x7) & Actor(e2,x1) & v_watch(e2) & n_thing(x7) & while(e1,x6) & n_woman(x6) & card_eq_2(x6) & with(e1,x5) & n_leg(x5) & on(e1,x3) & n_ball(x3) & of(x3,x4) & n_soccer(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))