premise: A man walking in front of a black cement wall with a bag on his shoulder.
hypothesis: A man is in outer space.
explanation_1: A man cannot be walking in front of a cement wall if he is in outer space.
explanation_2: walking doesn't mean outer space
explanation_3: One cannot walk in outer space.
premise_logic: exists s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & in(x1,x3) & of(x3,x4) & with(x4,x6) & on(x6,x7) & n_shoulder(x7) & of(x7,x1) & n_male(x1) & n_bag(x6) & n_wall(x4) & of(x4,x5) & n_cement(x5) & a_black(s1) & Theme(s1,x4) & n_front(x3) & n_walking(x1) & of(x1,x2) & n_man(x2))
hypothesis_logic: exists p1 x1.(exists s1 x2.(in(x1,x2) & n_space(x2) & a_outer(s1) & Theme(s1,x2)) & n_man(x1))