Dog running in field
The dog is a greyhound.
WE DON'T KNOW THAT THE DOG'S BREED IS GREYHOUND.
exists x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_field(x3) & n_run(x1) & (x1 = x2) & ne_nam_dog(x2))
exists p1 x1.(n_dog(x1) & exists x2.((x1 = x2) & n_greyhound(x2)))