A black dog wearing a harness is pulling a sled.
The black dog was first in the sled race.
Sled dogs are used outside of races in colder climates, not all sled dogs race,
exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x1) & v_pull(e2) & n_sled(x4) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_harness(x3) & (x1 = x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1))
exists p1 s1 s2 s3 x1 x2.(n_race(x2) & a_sled(s3) & Theme(s3,x2) & n_dog(x1) & a_black(s1) & Theme(s1,x1) & a_first(s2) & Manner(p1,s2) & in(x1,x2))