A guy with headphones DJing at a party.
A man in headphones is focused on something at a party.
The dj doesn't need to be focused.
exists e1 x1 x2 x3 x4.(a_topic(x1) & with(x1,x2) & at(e1,x4) & n_party(x4) & Actor(e1,x3) & v_djing(e1) & (x2 = x3) & n_headphone(x2) & n_guy(x1))
exists e1 x1 x2 x3 x4.(on(e1,x3) & at(x3,x4) & n_party(x4) & n_thing(x3) & Theme(e1,x1) & v_focus(e1) & in(x1,x2) & n_headphone(x2) & n_man(x1))