A young girl floats on her back in water and peers over her life jacket.
The girl is swimming in the ocean.
Not all girls who float know how to swim. The ocean is not the only kind of water.
exists s1 x1 x2 x3 x4 x5 x6 x7 x8.(a_topic(x1) & on(x1,x3) & subset_of(x6,x3) & over(x6,x7) & n_jacket(x7) & of(x7,x8) & n_life(x8) & of(x7,x1) & n_female(x1) & n_female(x1) & n_peer(x6) & subset_of(x4,x3) & in(x4,x5) & n_water(x5) & n_back(x4) & of(x4,x1) & n_float(x1) & of(x1,x2) & n_girl(x2) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_ocean(x2) & n_girl(x1) & in(e1,x2) & Actor(e1,x1) & v_swim(e1))