A young boy playing in the water.
A young boy playing in the water with his jetski.
Just because A young boy playing in the water does not indicate that he is playing in the water with his jetski.
exists s1 x1 x2 x3.(n_water(x3) & a_topic(x1) & in(x1,x3) & n_playing(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))
exists s1 x1 x2 x3 x4.(n_jetskus(x4) & of(x4,x3) & n_male(x3) & n_water(x3) & a_topic(x1) & with(x1,x4) & in(x1,x3) & n_playing(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))