Yorkshire terrier walking in the grass.
A dog is walking outside.
For the dog to be walking on grass it has to be outside.
exists x1 x2 x3 x4.(n_grass(x4) & a_topic(x1) & in(x1,x4) & n_walking(x1) & of(x1,x3) & n_terrier(x3) & (x1 = x2) & ne_org_yorkshire(x2))
exists e1 s1 x1.(a_outside(s1) & Manner(e1,s1) & Actor(e1,x1) & v_walk(e1) & n_dog(x1))