a young man parasailing in the ocean.
A little boy going downhill on a skateboard
A young man is not always synonymous with a little boy, and going downhill on a skateboard cannot be done while parasailing in the ocean.
exists s1 x1 x2 x3.(n_ocean(x3) & a_topic(x1) & in(x1,x3) & n_parasailing(x1) & of(x1,x2) & n_man(x2) & a_young(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_skateboard(x4) & Theme(e1,x3) & Actor(e1,x2) & v_go(e1) & n_downhill(x3) & (x1 = x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))