Telephone wires are visible.
The post and its' contents are covered.
Visible is different than covered.
exists s1 x1 x2.(Theme(s1,x1) & a_visible(s1) & n_wire(x1) & (x1 = x2) & ne_nam_telephone(x2))
exists e1 s1 x1 x2 x3.(n_contents(x3) & a_'(s1) & Theme(s1,x3) & of(x3,x2) & n_thing(x2) & n_post(x2) & Theme(e1,x1) & v_cover(e1) & subset_of(x3,x1) & subset_of(x2,x1))