A lone African American walks down a city street.
A man walking down a street
walks down a street is the same as saying walking down the street.
exists e1 s1 s2 x1 x2 x3.(a_down(s2) & Manner(e1,s2) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_street(x2) & of(x2,x3) & n_city(x3) & ne_nam_american(x1) & a_african(s1) & Theme(s1,x1) & r_lone(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & n_street(x3) & (x1 = x2) & n_man(x1))