A man is working at a bagel shop.
A man is sleeping.
sleeping and working cannot be done at the same time.
exists e1 x1 x2 x3.(at(e1,x2) & n_shop(x2) & of(x2,x3) & n_bagel(x3) & Actor(e1,x1) & v_work(e1) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_man(x1))