Two people on a sled pulled by a team of dogs.
Two people are in a dog sledding race.
Two people pulled by a team of dogs is not always in a sledding race.
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & on(x1,x2) & Actor(e1,x4) & of(x4,x5) & n_dog(x5) & n_team(x4) & Theme(e1,x3) & v_pull(e1) & (x2 = x3) & n_sled(x2) & n_people(x1) & card_eq_2(x1))
exists p1 x1.(exists e1 x2 x3.(in(x1,x2) & n_race(x2) & Actor(e1,x2) & v_sled(e1) & of(x2,x3) & n_dog(x3)) & n_people(x1) & card_eq_2(x1))