Tractors are digging in a small area in front of a piece of art.
They are digging a huge hole.
Small is a different unit of measurement than huge.
exists e1 s1 x1 x2 x3 x4 x5.(in(e1,x2) & in(x2,x3) & of(x3,x4) & of(x4,x5) & n_art(x5) & n_piece(x4) & n_front(x3) & n_area(x2) & a_small(s1) & Theme(s1,x2) & Actor(e1,x1) & v_dig(e1) & n_tractor(x1))
exists e1 s1 x1 x2.(n_thing(x1) & Theme(e1,x2) & Actor(e1,x1) & v_dig(e1) & n_hole(x2) & a_huge(s1) & Theme(s1,x2))