Two men are sitting on some scaffolding and painting a wall.
The men are eating a sandwich.
One sitting on a scaffolding cannot be simultaneously eating .
exists e1 x1 x2 x3 x4 x5.(n_wall(x5) & Time(e1,x5) & on(e1,x2) & n_painting(x4) & n_scaffolding(x3) & subset_of(x4,x2) & subset_of(x3,x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_sandwich(x2))