premise: Two men working on farm equipment that is being pulled by two horses.
hypothesis: The horses are both brown.
explanation_1: Just because there are horses doesn't mean the both are brown.
explanation_2: Not brown horses only pull the farm equipment.
explanation_3: Not all horses are brown.
premise_logic: exists e2 e1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & on(e1,x3) & Actor(e2,x6) & n_horse(x6) & card_eq_2(x6) & Theme(e2,x5) & v_pull(e2) & (x3 = x5) & n_equipment(x3) & of(x3,x4) & n_farm(x4) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1) & card_eq_2(x1))
hypothesis_logic: exists s1 x1.(n_horse(x1) & r_both(s1) & Theme(s1,x1) & a_brown(s1))
premise_sim: exists e2 e1 x1 x2 x3 x4 x5 x6.(v_work(e1) & v_pull(e2) & on(e1,x3) & of(x3,x4) & n_man(x1) & n_horse(x6) & n_farm(x4) & n_equipment(x3) & card_eq_2(x6) & card_eq_2(x1) & a_topic(x1) & Theme(e2,x5) & Actor(e2,x6) & Actor(e1,x2) & (x3 = x5) & (x1 = x2))
hypothesis_sim: exists s1 x1.(r_both(s1) & n_horse(x1) & a_brown(s1) & Theme(s1,x1))