a doctor at work looking through a telescope
The doctor is not looking through a telescope at his work.
The doctor can only be either looking through a telescope, or he is not looking through a telescope.
exists e1 x1 x2 x3.(through(e1,x3) & n_telescope(x3) & Actor(e1,x1) & v_look(e1) & at(x1,x2) & n_work(x2) & n_doctor(x1))
exists x1 x2.(n_work(x2) & of(x2,x1) & n_male(x1) & n_doctor(x1) & -exists e1 x3.(through(e1,x3) & n_telescope(x3) & at(e1,x2) & Actor(e1,x1) & v_look(e1)))