There is a small spiral notebook next to the pile of papers in the bottom left.
A notebook and some papers are on a desk.
Just because there is a notebook next to papers doesn't mean that they are both on a desk.
exists p1 s3 x1 x4 x6.(n_left(x6) & a_bottom(s3) & Theme(s3,x6) & n_pile(x4) & exists s1 s2 x2 x3 x5.((x1 = x2) & to(x3,x4) & of(x4,x5) & in(x5,x6) & n_papers(x5) & next(x2,x3) & n_thing(x3) & n_notebook(x2) & a_spiral(s2) & Theme(s2,x2) & a_small(s1) & Theme(s1,x2)))
exists p1 x1 x2 x3.(exists x4.(on(x1,x4) & n_desk(x4)) & subset_of(x3,x1) & n_papers(x3) & subset_of(x2,x1) & n_notebook(x2))