A kid is holding a rubber mallet.
The kid is a boy.
The kid may not be a boy.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_mallet(x2) & of(x2,x3) & n_rubber(x3) & n_kid(x1))
exists p1 x1.(n_kid(x1) & exists x2.((x1 = x2) & n_boy(x2)))