The black and brown dog is running through the snow.
The dog is chasing a ball .
Not all dog running are chasing a ball
exists e1 s1 s2 x1 x2.(n_snow(x2) & n_dog(x1) & a_brown(s2) & Theme(s2,x1) & a_black(s1) & Theme(s1,x1) & through(e1,x2) & Actor(e1,x1) & v_run(e1))
exists e1 x1 x2.(n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_chase(e1) & n_ball(x2))