premise: An old man wrapped in a gray cloth sitting against a wall.
hypothesis: An old man sits against a wall, watching the people walk by.
explanation_1: Just because the old man is sitting against a wall does not mean he is watching people walk by.
explanation_2: He may be resting there, not watching the people walk by.
explanation_3: You can sit against a wall and not be watching the people walk by.
premise_logic: exists e2 e1 s1 s2 x1 x2 x3 x4 x5.(a_topic(x1) & in(e1,x3) & against(e2,x5) & n_wall(x5) & Actor(e2,x4) & v_sit(e2) & (x3 = x4) & n_cloth(x3) & a_gray(s2) & Theme(s2,x3) & Theme(e1,x2) & v_wrap(e1) & (x1 = x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
hypothesis_logic: exists e2 e3 e1 s1 s2 x1 x2 x3 x4.(n_people(x3) & for(e1,e3) & Theme(e3,x3) & Actor(e3,x1) & v_watch(e3) & a_by(s2) & Manner(e2,s2) & Theme(e2,x4) & v_walk(e2) & (x3 = x4) & against(e1,x2) & n_wall(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & a_old(s1) & Theme(s1,x1))