Three men sit on floor in green room.
Some are playing with food ball
The men cannot be sitting and playing at the same time
exists e1 s1 x1 x2 x3.(in(e1,x3) & n_room(x3) & a_green(s1) & Theme(s1,x3) & on(e1,x2) & n_floor(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_3(x1))
exists e1 x1 x2 x3.(with(e1,x2) & n_ball(x2) & of(x2,x3) & n_food(x3) & Actor(e1,x1) & v_play(e1) & n_thing(x1))