A little girl is playing with tinker toys.
a little boy is playing with toys
There can either be a boy or a girl.
exists e1 s1 x1 x2 x3.(with(e1,x2) & n_toy(x2) & of(x2,x3) & n_tinker(x3) & Actor(e1,x1) & v_play(e1) & n_girl(x1) & a_little(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(with(e1,x2) & n_toy(x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1) & a_little(s1) & Theme(s1,x1))