A shaggy dog runs down a dirt trail in a lush forest.
The dog is a stray.
Not every dog running through the forest is a stray.
exists e1 s1 s2 s3 x1 x2 x3 x4.(in(e1,x4) & n_forest(x4) & a_lush(s3) & Theme(s3,x4) & a_down(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_trail(x2) & of(x2,x3) & n_dirt(x3) & n_dog(x1) & a_shaggy(s1) & Theme(s1,x1))
exists p1 x1.(n_dog(x1) & exists x2.((x1 = x2) & n_stray(x2)))