A smiling girl plays in the street.
The girl is happy.
The smiling girl shows she is happy by smiling.
exists e1 x1 x2 x3.(n_street(x3) & a_topic(x1) & in(x1,x3) & n_play(x1) & of(x1,x2) & n_girl(x2) & Actor(e1,x1) & v_smile(e1))
exists s1 x1.(n_girl(x1) & Theme(s1,x1) & a_happy(s1))