A child holding onto the tail of a fake alligator.
A child holding on to a real penguin.
You can't hold onto a fake alligator tail and a real penguin, they're different.
exists e1 s1 x1 x2 x3 x4.(n_tail(x3) & a_topic(x1) & onto(e1,x3) & of(x3,x4) & n_alligator(x4) & a_fake(s1) & Theme(s1,x4) & Actor(e1,x2) & v_hold(e1) & (x1 = x2) & n_child(x1))
exists e1 s1 x1 x2 x3.(a_topic(x1) & r_on(e1) & to(e1,x3) & n_penguin(x3) & a_real(s1) & Theme(s1,x3) & Actor(e1,x2) & v_hold(e1) & (x1 = x2) & n_child(x1))