A small white dog pulls a large stick out of the water.
A little white dog is getting a stick.
Small and little are synonyms and pulling a stick out of water is a way of "getting a stick."
exists e1 s1 s2 s3 x1 x2 x3.(n_water(x3) & of(e1,x3) & r_out(e1) & Theme(e1,x2) & Actor(e1,x1) & v_pull(e1) & n_stick(x2) & a_large(s3) & Theme(s3,x2) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_small(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_get(e1) & n_stick(x2) & n_dog(x1) & a_white(s2) & Theme(s2,x1) & a_little(s1) & Theme(s1,x1))