A black dog pulls a red sleigh
A dog pulls santa on his sleigh.
the dog could be pulling anything on a sleigh not just santa
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_pull(e1) & n_sleigh(x2) & a_red(s2) & Theme(s2,x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(on(e1,x3) & n_sleigh(x3) & of(x3,x1) & n_male(x1) & Theme(e1,x2) & Actor(e1,x1) & v_pull(e1) & n_santa(x2) & n_dog(x1))