A man walking in the water on the shore.
A man is paddling in the sea.
if a man is in the water then the man may be in the sea.
exists x1 x2 x3 x4.(n_shore(x4) & n_water(x3) & a_topic(x1) & in(x1,x3) & on(x3,x4) & n_walking(x1) & of(x1,x2) & n_man(x2))
exists e1 x1 x2.(n_sea(x2) & in(e1,x2) & Actor(e1,x1) & v_paddle(e1) & n_man(x1))