Two men are lying on a roof doing work, while two other men are assisting using a lift.
Four men destroying an arena.
Building something by assisting using a lift and destroying it cannot be at the same time.
exists e2 e1 p1 x1 x2 x3 x4.(exists e4 e3 x5 x6.(for(e3,e4) & Theme(e4,x6) & Actor(e4,x5) & v_use(e4) & n_lift(x6) & Actor(e3,x5) & v_assist(e3) & -(x5 = x1) & n_man(x5) & card_eq_2(x5)) & n_man(x1) & n_man(x1) & while(e1,p1) & on(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_do(e2) & n_work(x4) & (x2 = x3) & n_roof(x2) & Actor(e1,x1) & v_lie(e1) & card_eq_2(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_destroy(e1) & n_arena(x3) & (x1 = x2) & n_man(x1) & card_eq_4(x1))