A happy child smiles as he plays.
A young kid is playing.
If a kid plays he is playing.
exists e1 p1 s1 x1.(exists e2.(Actor(e2,x1) & v_play(e2)) & n_male(x1) & as(e1,p1) & Actor(e1,x1) & v_smile(e1) & n_child(x1) & a_happy(s1) & Theme(s1,x1))
exists e1 s1 x1.(Actor(e1,x1) & v_play(e1) & n_kid(x1) & a_young(s1) & Theme(s1,x1))