A dog runs in a grassy field.
A dog is laying in the dirt chewing on a bone.
Laying down in dirt can't be done while running in a grassy fields.
exists e1 s1 x1 x2.(in(e1,x2) & n_field(x2) & a_grassy(s1) & Theme(s1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1))
exists e1 e2 x1 x2 x3 x4.(n_dirt(x2) & in(e1,x2) & on(e2,x4) & n_bone(x4) & Actor(e2,x3) & v_chew(e2) & (x2 = x3) & Actor(e1,x1) & v_lay(e1) & n_dog(x1))