premise: The horses are in a straight line.
hypothesis: There is one horse standing alone.
explanation_1: Horses is plural whereas a horse is singular.
premise_logic: exists p1 x1.(n_horse(x1) & exists s1 x2.(in(x1,x2) & n_line(x2) & a_straight(s1) & Theme(s1,x2)))
hypothesis_logic: exists p1 x1 x2 x3.((x1 = x2) & r_alone(x2) & n_standing(x2) & of(x2,x3) & n_horse(x3) & card_eq_1(x2))
premise_sim: exists x1.(n_horse(x1) & exists s1 x2.(n_line(x2) & in(x1,x2) & a_straight(s1) & Theme(s1,x2)))
hypothesis_sim: exists x1 x2 x3.(r_alone(x2) & of(x2,x3) & n_standing(x2) & n_horse(x3) & card_eq_1(x2) & (x1 = x2))