A striped cat is on the pathway.
A cat is on a brick pathway.
The pathway does not have to be brick.
exists p1 s1 x1 x2.(n_pathway(x2) & on(x1,x2) & n_cat(x1) & a_striped(s1) & Theme(s1,x1))
exists p1 x1.(exists x2 x3.(on(x1,x2) & n_pathway(x2) & of(x2,x3) & n_brick(x3)) & n_cat(x1))