a man wearing black, walks down the street.
A man is walking.
If someone walks down the street he must be walking.
exists e2 e1 p1 x1 x2 x3.(n_street(x3) & down(e2,x3) & Actor(e2,x1) & v_walk(e2) & exists s1.(Theme(s1,x2) & a_black(s1)) & Topic(e1,p1) & Actor(e1,x2) & v_wear(e1) & (x1 = x2) & n_man(x1))
exists e1 x1.(Actor(e1,x1) & v_walk(e1) & n_man(x1))