A guitarist walks crosses the road.
A person is crossing a road.
A guitarist is a person.  Crosses the road is another form of crossing the road.
exists e1 x1 x2 x3.(n_road(x2) & Recipient(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_cross(x3) & n_guitarist(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_cross(e1) & n_road(x2) & n_person(x1))