premise: Two men spar in martial arts gear.
hypothesis: There is only one person present.
explanation_1: You need two people to spar. Also, if you only have one person, then there cannot be two people present.
explanation_2: Two men means more than one person. There cannot be two men and one person simultaneously.
explanation_3: There cannot be both one and two men.
premise_logic: exists e1 s1 x1 x2 x3.(in(e1,x2) & n_gear(x2) & of(x2,x3) & n_art(x3) & a_martial(s1) & Theme(s1,x2) & Actor(e1,x1) & v_spar(e1) & n_man(x1) & card_eq_2(x1))
hypothesis_logic: exists p1 x1 s1 x2 x3.((x1 = x2) & Theme(s1,x3) & a_present(s1) & (x2 = x3) & n_person(x2) & card_eq_1(x2) & r_only(x2))
premise_sim: exists e1 s1 x1 x2 x3.(v_spar(e1) & of(x2,x3) & n_man(x1) & n_gear(x2) & n_art(x3) & in(e1,x2) & card_eq_2(x1) & a_martial(s1) & Theme(s1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1 s1 x2 x3.(r_only(x2) & n_person(x2) & card_eq_1(x2) & a_present(s1) & Theme(s1,x3) & (x2 = x3) & (x1 = x2))