A dark dog jumps across the snow near the woods.
A dog jumps across the snow chasing a squirrel.
Not all dogs are chasing a squirrel.
exists s1 x1 x2 x3 x4.(n_wood(x4) & n_snow(x3) & a_topic(x1) & near(x1,x4) & across(x1,x3) & n_jump(x1) & of(x1,x2) & n_dog(x2) & a_dark(s1) & Theme(s1,x1))
exists e1 e2 x1 x2 x3 x4.(n_snow(x2) & across(e1,x2) & Theme(e2,x4) & Actor(e2,x3) & v_chase(e2) & n_squirrel(x4) & (x2 = x3) & Actor(e1,x1) & v_jump(e1) & n_dog(x1))