A person is riding an orange kayak down a series of short waterfalls and rapids.
A  person is tying an orange kayak to the top of his car.
Riding the kayak down waterfalls is not tying it on the car.
exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(down(e1,x4) & of(x4,x5) & n_rapid(x7) & n_waterfall(x6) & subset_of(x7,x5) & subset_of(x6,x5) & a_short(s1) & Theme(s1,x5) & n_series(x4) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_kayak(x2) & of(x2,x3) & n_orange(x3) & n_person(x1))
exists e1 x1 x2 x3 x4 x5.(n_car(x5) & of(x5,x4) & n_male(x4) & n_top(x4) & to(e1,x4) & of(x4,x5) & Theme(e1,x2) & Actor(e1,x1) & v_tie(e1) & n_kayak(x2) & of(x2,x3) & n_orange(x3) & n_person(x1))