A racing catamaran slices through the waters.
people are racing a boat
a catamaran is not a boat.
exists e1 x1 x2 x3.(n_waters(x3) & through(e1,x3) & Actor(e1,x1) & v_slice(e1) & n_catamaran(x1) & of(x1,x2) & n_racing(x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_race(e1) & n_boat(x2) & n_people(x1))