premise: A man wearing black pants and a helmet is riding a brown horse.
hypothesis: A man is practicing for a horse race.
explanation_1: He may be riding it for fun, not for race.
explanation_2: Just because a man is riding a horse doesn't necessarily mean that he is practicing for a horse race.
explanation_3: Just because a man is riding a horse does not mean he is practicing for a horse race.
premise_logic: exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(Theme(e2,x6) & Actor(e2,x1) & v_ride(e2) & n_horse(x6) & a_brown(s2) & Theme(s2,x6) & subset_of(x5,x1) & n_helmet(x5) & subset_of(x2,x1) & Theme(e1,x4) & Actor(e1,x3) & v_wear(e1) & n_pants(x4) & a_black(s1) & Theme(s1,x4) & (x2 = x3) & n_man(x2))
hypothesis_logic: exists e1 x1 x2 x3.(for(e1,x2) & n_race(x2) & of(x2,x3) & n_horse(x3) & Actor(e1,x1) & v_practice(e1) & n_man(x1))
premise_sim: exists e1 e2 s1 s2 x1 x2 x3 x4 x5 x6.(v_wear(e1) & v_ride(e2) & subset_of(x5,x1) & subset_of(x2,x1) & n_pants(x4) & n_man(x2) & n_horse(x6) & n_helmet(x5) & a_brown(s2) & a_black(s1) & Theme(s2,x6) & Theme(s1,x4) & Theme(e2,x6) & Theme(e1,x4) & Actor(e2,x1) & Actor(e1,x3) & (x2 = x3))
hypothesis_sim: exists e1 x1 x2 x3.(v_practice(e1) & of(x2,x3) & n_race(x2) & n_man(x1) & n_horse(x3) & for(e1,x2) & Actor(e1,x1))