premise: A man standing in a stairwell with a green strip on the wall.
hypothesis: A man is standing in a stairwell.
explanation_1: The man is standing in a stairwell regardless of its color.
explanation_2: A man standing with green strip.
explanation_3: A man must be standing in  a stairwell to see what is on its wall
premise_logic: exists s1 x1 x2 x3 x4 x5.(n_wall(x5) & a_topic(x1) & in(x1,x3) & with(x3,x4) & on(x4,x5) & n_strip(x4) & a_green(s1) & Theme(s1,x4) & n_stairwell(x3) & n_standing(x1) & of(x1,x2) & n_man(x2))
hypothesis_logic: exists e1 x1 x2.(in(e1,x2) & n_stairwell(x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))