Woman in a jacket, walking a small white dog.
A man cleans a litterbox.
A woman and a man or not the same person. "Walking a small dog" describes a different action than "cleans a litterbox".
exists e1 s1 s2 s3 x1 x2 x3.(ne_nam_woman(s1) & a_topic(s1) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & n_dog(x3) & a_white(s3) & Theme(s3,x3) & a_small(s2) & Theme(s2,x3) & (s1 = x2) & in(s1,x1) & n_jacket(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_clean(e1) & n_litterbox(x2) & n_man(x1))