A black dog is running in the grass.
The dog is is having fun.
Just because a dog is running in the grass doesn't mean it is having fun.
exists e1 s1 x1 x2.(n_grass(x2) & in(e1,x2) & Actor(e1,x1) & v_run(e1) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 e2 x1 x2 x3.(n_dog(x1) & Theme(e2,x3) & Actor(e2,x1) & v_have(e2) & n_fun(x3) & Actor(e1,x2) & v_be(e1) & (x1 = x2))