A lot of African-Americans walking on the sidewalk of a busy corner.
The people are preparing to cross the street.
People can walk near a busy corner without preparing to cross the street.
exists e1 s1 x1 x2 x3 x4 x5.(n_sidewalk(x4) & ne_nam_african-americans(x2) & a_topic(x1) & of(x1,x2) & on(e1,x4) & of(x4,x5) & n_corner(x5) & a_busy(s1) & Theme(s1,x5) & Actor(e1,x3) & v_walk(e1) & (x2 = x3) & n_lot(x1))
exists e1 p1 x1 x2.(n_street(x2) & n_people(x1) & Topic(e1,p1) & Actor(e1,x1) & v_prepare(e1) & exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_cross(e2)))