A dog sled with two passengers travelling through the snow.
The tourists are enjoying a sled ride with dogs.
The fact that there are people on a dog sled doesn't mean that they are tourists.
exists e1 e2 x1 x2 x3 x4.(n_snow(x4) & with(e1,x2) & through(e2,x4) & Actor(e2,x3) & v_travel(e2) & (x2 = x3) & n_passenger(x2) & card_eq_2(x2) & Actor(e1,x1) & v_sled(e1) & n_dog(x1))
exists e1 s1 x1 x2 x3.(n_tourist(x1) & Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & with(x2,x3) & n_dog(x3) & n_ride(x2) & a_sled(s1) & Theme(s1,x2))