A woman riding a bicycle.
the woman is happy.
woman isn't necessarily happy
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_ride(e1) & n_bicycle(x3) & (x1 = x2) & n_woman(x1))
exists s1 x1.(n_woman(x1) & Theme(s1,x1) & a_happy(s1))