Child holding a bamboo object.
Child playing a guitar.
Unless the guitar is made of bamboo, then these are different items.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_hold(e1) & n_object(x3) & of(x3,x4) & n_bamboo(x4) & (x1 = x2) & n_child(x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_guitar(x3) & (x1 = x2) & n_child(x1))