A woman with a cane carrying a bag walks along the sidewalk.
A human walking
A woman falls under the category of human as part of the total description of her walking.
exists e1 e2 x1 x2 x3 x4 x5.(n_sidewalk(x5) & along(e2,x5) & Actor(e2,x1) & v_walk(e2) & with(x1,x2) & Theme(e1,x4) & Actor(e1,x3) & v_carry(e1) & n_bag(x4) & (x2 = x3) & n_cane(x2) & n_woman(x1))
exists s1 x1.(a_topic(x1) & n_walking(x1) & a_human(s1) & Theme(s1,x1))