Several glass and ceramic items are arranged on shelves with a mirror backing.
Various items are on shelves.
Several glass and ceramic items are arranged on shelves just means various items are on shelves
exists e1 s1 s2 x1 x2 x3 x4 x5.(with(e1,x4) & n_backing(x4) & of(x4,x5) & n_mirror(x5) & on(e1,x3) & n_shelf(x3) & Theme(e1,x1) & v_arrange(e1) & n_item(x1) & a_ceramic(s2) & Theme(s2,x1) & of(x1,x2) & n_glass(x2) & a_several(s1) & Theme(s1,x1))
exists p1 s1 x1.(exists x2.(on(x1,x2) & n_shelf(x2)) & n_item(x1) & a_various(s1) & Theme(s1,x1))