A brown dog and a tan dog are playing in tall grass.
The tan dog is a Golden Retriever.
Not all tan dogs are Golden Retrievers.
exists e1 s1 s2 s3 x1 x2 x3 x4.(in(e1,x4) & n_grass(x4) & a_tall(s3) & Theme(s3,x4) & Actor(e1,x1) & v_play(e1) & subset_of(x3,x1) & n_dog(x3) & a_tan(s2) & Theme(s2,x3) & subset_of(x2,x1) & n_dog(x2) & a_brown(s1) & Theme(s1,x2))
exists p1 s1 x1.(n_dog(x1) & a_tan(s1) & Theme(s1,x1) & exists s2 x2.((x1 = x2) & n_retriever(x2) & a_golden(s2) & Theme(s2,x2)))