premise: A firefighter climbs up a ladder towards flames while surrounded by smoke.
hypothesis: The firefighter can't enter the building.
explanation_1: He just climbing and he may enter the building or not.
explanation_2: Not all fires are in a building.
explanation_3: Firefighters often enter burning buildings, flames and smoke does not mean they can't enter the building.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4 x5.(towards(e1,x3) & by(s2,x5) & n_smoke(x5) & Theme(s2,x4) & a_surround(s2) & (x3 = x4) & n_flame(x3) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_climb(e1) & n_ladder(x2) & n_firefighter(x1))
hypothesis_logic: exists x1 x2.(n_building(x2) & n_firefighter(x1) & -exists e1 p1.(exists e2.(Theme(e2,x2) & Actor(e2,x1) & v_enter(e2)) & Topic(e1,p1) & Actor(e1,x1) & v_can(e1)))