A man is filling in a hole with dirt.
A man is filling in a pothole with gravel.
It is either a hole, or a pothole. He is either filling it with dirt or gravel.
exists e1 x1 x2 x3.(in(e1,x3) & n_hole(x3) & with(e1,x2) & n_dirt(x2) & Actor(e1,x1) & v_fill(e1) & n_man(x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_pothole(x3) & with(e1,x2) & n_gravel(x2) & Actor(e1,x1) & v_fill(e1) & n_man(x1))