The brown and white bog has a red item in its mouth.
The bog has something it its mouth.
Saying that a bog has a red item in its mouth implies that it does have something in its mouth.
exists e1 s1 s2 s3 x1 x2 x3.(n_mouth(x3) & of(x3,x1) & n_thing(x1) & n_bog(x1) & a_white(s2) & Theme(s2,x1) & a_brown(s1) & Theme(s1,x1) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_item(x2) & a_red(s3) & Theme(s3,x2))
(x)