premise: Two commandos with gun by a staircase and an old man holding a hat is sitting on the stairs.
hypothesis: Two unarmed men are held hostage by an empty handed old man.
explanation_1: There can be either two commandos with guns or two unarmed men. An old man can be either holding a hat or empty handed.
explanation_2: The men can't be unarmed and have a gun.
explanation_3: The two are either armed or unarmed and the old man is either holding a hat or emptied handed. He's also either being held hostage or just sitting on the stairs.
premise_logic: exists e1 e2 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 e2 s1 s2 s3 x1 x2 x3.(Actor(e1,x3) & n_man(x3) & a_old(s3) & Theme(s3,x3) & Theme(e2,x3) & v_hand(e2) & a_empty(s2) & Theme(s2,x3) & Time(e1,x2) & n_hostage(x2) & Theme(e1,x1) & v_hold(e1) & n_man(x1) & a_unarmed(s1) & Theme(s1,x1) & card_eq_2(x1))