premise: Greyhounds race on a sandy track with the dog in green taking the lead.
hypothesis: Dogs are racing on a track on a sunny afternoon
explanation_1: At any period of the day dogs can race, even if it is not a sunny afternoon.
explanation_2: The dogs racing could be a different breed than greyhounds.
explanation_3: Dogs racing doesn't mean its on a sunny afternoon.
premise_logic: exists e1 s1 x1 x2 x3 x4 x5 x6 x7.(n_lead(x7) & n_dog(x4) & a_topic(x1) & on(x1,x3) & with(x3,x4) & in(x4,x5) & Theme(e1,x7) & Actor(e1,x6) & v_take(e1) & (x5 = x6) & n_green(x5) & n_track(x3) & a_sandy(s1) & Theme(s1,x3) & n_race(x1) & (x1 = x2) & ne_nam_greyhounds(x2))
hypothesis_logic: exists e1 s1 x1 x2 x3.(on(e1,x3) & n_afternoon(x3) & a_sunny(s1) & Theme(s1,x3) & on(e1,x2) & n_track(x2) & Actor(e1,x1) & v_race(e1) & n_dog(x1))