Large white dog running on grass
The dog is a white great pyrenees.
The species of the dog, a great pyrenees, is not specified in sentence 1.
exists e1 s1 s2 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_grass(x3) & Actor(e1,x2) & v_run(e1) & (x1 = x2) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_large(s1) & Theme(s1,x1))
exists p1 x1.(n_dog(x1) & exists s1 s2 x2.((x1 = x2) & n_pyrenee(x2) & a_great(s2) & Theme(s2,x2) & a_white(s1) & Theme(s1,x2)))