A person in a tan coat and a black backpack walks down a green jetty.
A human walking.
A person and a human are the same the thing and they are walking.
exists e1 s1 s2 s3 s4 x1 x2 x3 x4 x5.(a_down(s4) & Manner(e1,s4) & Theme(e1,x5) & Actor(e1,x1) & v_walk(e1) & n_jetty(x5) & a_green(s3) & Theme(s3,x5) & in(x1,x2) & subset_of(x4,x2) & n_backpack(x4) & a_black(s2) & Theme(s2,x4) & subset_of(x3,x2) & n_coat(x3) & a_tan(s1) & Theme(s1,x3) & n_person(x1))
exists s1 x1.(a_topic(x1) & n_walking(x1) & a_human(s1) & Theme(s1,x1))