A racing sailboat in the water.
The boat is moving.
It is not specified if the sailboat is moving in the water.
exists x1 x2 x3.(n_water(x3) & a_topic(x1) & in(x1,x3) & n_sailboat(x1) & of(x1,x2) & n_racing(x2))
exists e1 x1.(n_boat(x1) & Actor(e1,x1) & v_move(e1))