Dog with a toy in the snow.
The dog with the toy is a Yorkshire terrier.
do not know if the dog is Yorkshire terrier.
exists s1 x1 x2.(n_snow(x2) & ne_nam_dog(s1) & a_topic(s1) & with(s1,x1) & in(x1,x2) & n_toy(x1))
exists p1 x1 x2.(n_toy(x2) & n_dog(x1) & exists x3 x4.((x1 = x3) & n_terrier(x3) & (x3 = x4) & ne_org_yorkshire(x4)) & with(x1,x2))