A man throws a disc in a park.
A man is in a park.
we have the rephrasing of a man in a park
exists e1 x1 x2 x3.(in(e1,x3) & n_park(x3) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_disc(x2) & n_man(x1))
exists p1 x1.(exists x2.(in(x1,x2) & n_park(x2)) & n_man(x1))