A man is outside playing a guitar.
The man is in a club.
the man is either outside playing guitar or in a club, but not both.
exists e1 s1 x1 x2.(for(s1,e1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & Theme(s1,x1) & a_outside(s1) & n_man(x1))
exists p1 x1.(n_man(x1) & exists x2.(in(x1,x2) & n_club(x2)))