A parasailer splashes along the surface of a lake.
A person is eating dinner
There is either a parasailer splashing on a lake or there's a person eating dinner.
exists e1 x1 x2 x3.(n_surface(x2) & along(e1,x2) & of(x2,x3) & n_lake(x3) & Actor(e1,x1) & v_splash(e1) & n_parasailer(x1))
exists p1 x1.(exists s1 x2.((x1 = x2) & n_dinner(x2) & a_eating(s1) & Theme(s1,x2)) & n_person(x1))