A little girl holds a wooden stick.
A little girl holds a tire iron.
A wooden stick being natural is the exact opposite of a tire iron which is man made.
exists e1 s1 s2 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_stick(x2) & a_wooden(s2) & Theme(s2,x2) & n_girl(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_iron(x2) & of(x2,x3) & n_tire(x3) & n_girl(x1) & a_little(s1) & Theme(s1,x1))