A man is carrying a mechanical device on a street.
A man is carrying dirty clothes on a sidewalk.
The object the many is carrying can be a mechanical device or dirty clothes, it cannot be both simultaneously.
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & on(x2,x3) & n_street(x3) & n_device(x2) & a_mechanical(s1) & Theme(s1,x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & on(x2,x3) & n_sidewalk(x3) & n_clothes(x2) & a_dirty(s1) & Theme(s1,x2) & n_man(x1))