premise: Two men spar in martial arts gear.
hypothesis: They are wearing all black gear.
explanation_1: Two men don't have any specified gear color while the others are wearing black gear.
explanation_2: Just because they're wearing martial arts gear does not mean it is black.
explanation_3: Men may spar without wearing all black gear.
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 x1.(n_thing(x1) & all s1 x2.((n_gear(x2) & a_black(s1) & Theme(s1,x2)) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_wear(e1))))
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.(n_thing(x1) & all s1 x2.(exists e1.(v_wear(e1) & Theme(e1,x2) & Actor(e1,x1)) | -n_gear(x2) | -a_black(s1) | -Theme(s1,x2)))