premise: Two commandos with gun by a staircase and an old man holding a hat is sitting on the stairs.
hypothesis: Two soldiers carry weapons.
explanation_1: Commandos are soldiers and if they are with gun then they carry weapons.
explanation_2: Commandos are a type of soldiers.  With gun means they carry weapons.
explanation_3: Commandos are a type of soldier and they carry weapons such as a gun.
premise_logic: exists e2 e1 s1 x1 x2 x3 x4 x5 x6 x7 x8.(n_stair(x8) & on(e2,x8) & Actor(e2,x1) & v_sit(e2) & with(x1,x2) & subset_of(x5,x2) & Theme(e1,x7) & Actor(e1,x6) & v_hold(e1) & n_hat(x7) & (x5 = x6) & n_man(x5) & a_old(s1) & Theme(s1,x5) & subset_of(x3,x2) & by(x3,x4) & n_staircase(x4) & n_gun(x3) & n_commando(x1) & card_eq_2(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_carry(e1) & n_weapon(x2) & n_soldier(x1) & card_eq_2(x1))