A man with a guitar is waving.
The man is not playing the guitar
A man holding a guitar doesn't mean his not playing it.
exists e1 x1 x2.(Actor(e1,x1) & v_wave(e1) & with(x1,x2) & n_guitar(x2) & n_man(x1))
exists x1 x2.(n_guitar(x2) & n_man(x1) & -exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1)))