premise: Two people kickboxing, with others spectating.
hypothesis: Two people fighting each other
explanation_1: Two people are kickboxing, so they are fighting each other.
explanation_2: Kickboxing is nothing but fighting.
explanation_3: People that are kickboxing are engaged in fighting.
premise_logic: exists e2 e1 x1 x2 x3.(a_topic(x1) & Actor(e2,x3) & v_spectate(e2) & with(e1,x3) & -(x3 = x1) & n_person(x1) & n_person(x3) & Actor(e1,x2) & v_kickbox(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
hypothesis_logic: exists x1 x2.(a_topic(x1) & all x3.(n_other(x3) -> exists e1.(Theme(e1,x3) & Actor(e1,x2) & v_fight(e1))) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
premise_sim: exists e2 e1 x1 x2 x3.(with(e1,x3) & v_spectate(e2) & v_kickbox(e1) & n_person(x3) & n_person(x1) & n_people(x1) & card_eq_2(x1) & a_topic(x1) & Actor(e2,x3) & Actor(e1,x2) & -(x3 = x1) & (x1 = x2))
hypothesis_sim: exists x1 x2.(n_people(x1) & card_eq_2(x1) & all x3.(exists e1.(v_fight(e1) & Theme(e1,x3) & Actor(e1,x2)) | -n_other(x3)) & a_topic(x1) & (x1 = x2))