A girl is listening to something on headphones.
There is a girl wearing headphones on her head.
In order to listen to something on headphones, one must be wearing them.
exists e1 x1 x2 x3.(to(e1,x2) & on(x2,x3) & n_headphone(x3) & n_thing(x2) & Actor(e1,x1) & v_listen(e1) & n_girl(x1))
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & on(x4,x5) & n_head(x5) & of(x5,x2) & n_female(x2) & n_headphone(x4) & (x2 = x3) & n_girl(x2))