A man is outside playing a guitar.
The man is playing an instrument.
the man is  playing with an  instrument  is guitar
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 e1 x1 x2.(n_man(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_instrument(x2))