premise: This person looks to be snowboarding on a very small pile of snow on a sunny cold day.
hypothesis: Ski season has now begun
explanation_1: I can not infer that this person is snowboarding because ski season has begun.
explanation_2: A snowboarding person is liable to come across a small pile of snow at various times of the season and not just when the ski season has begun.
explanation_3: Just because it's a sunny cold day doesn't mean that ski season has begun.
premise_logic: exists e1 p1 x1.(n_person(x1) & Topic(e1,p1) & Actor(e1,x1) & v_look(e1) & exists e2 s1 s2 s3 x2 x3 x4.(on(e2,x4) & n_day(x4) & a_cold(s3) & Theme(s3,x4) & a_sunny(s2) & Theme(s2,x4) & on(e2,x2) & of(x2,x3) & n_snow(x3) & n_pile(x2) & a_small(s1) & Theme(s1,x2) & r_very(x2) & Actor(e2,x1) & v_snowboard(e2)))
hypothesis_logic: exists e1 s1 x1 x2.(a_now(s1) & Manner(e1,s1) & Actor(e1,x1) & v_begin(e1) & n_season(x1) & of(x1,x2) & n_ski(x2))
premise_sim: exists e1 p1 x1.(v_look(e1) & n_person(x1) & exists e2 s1 s2 s3 x2 x3 x4.(v_snowboard(e2) & r_very(x2) & on(e2,x4) & on(e2,x2) & of(x2,x3) & n_snow(x3) & n_pile(x2) & n_day(x4) & a_sunny(s2) & a_small(s1) & a_cold(s3) & Theme(s3,x4) & Theme(s2,x4) & Theme(s1,x2) & Actor(e2,x1)) & Topic(e1,p1) & Actor(e1,x1))
hypothesis_sim: exists e1 s1 x1 x2.(v_begin(e1) & of(x1,x2) & n_ski(x2) & n_season(x1) & a_now(s1) & Manner(e1,s1) & Actor(e1,x1))