premise: Two brown-haired men wearing short-sleeved shirts and shorts are climbing stairs.
hypothesis: The men are going up the stairs.
explanation_1: If you climb the stairs, you are going up the stairs.
explanation_2: Going up is climbing.
explanation_3: Going up the stairs is the same as climbing stairs.
premise_logic: exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6.(Theme(e2,x6) & Actor(e2,x1) & v_climb(e2) & n_stair(x6) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x5,x3) & n_shorts(x5) & subset_of(x4,x3) & n_shirt(x4) & a_short-sleeved(s2) & Theme(s2,x4) & (x1 = x2) & n_man(x1) & a_brown-haired(s1) & Theme(s1,x1) & card_eq_2(x1))
hypothesis_logic: exists e1 s1 x1 x2.(n_stair(x2) & n_man(x1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_go(e1))