premise: A man in a red shirt is sitting on top of a rocky mountain.
hypothesis: A rugged man sits atop a mountain.
explanation_1: The man can be in any condition, most mountain climbers are in very good health however they are not always rugged or brawny.
explanation_2: A man can sit on a rocky mountain without being rugged.
explanation_3: He could be a weakling in a red shirt.  We have no idea if he is rugged or not.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4.(on(e1,x3) & of(x3,x4) & n_mountain(x4) & a_rocky(s2) & Theme(s2,x4) & n_top(x3) & Actor(e1,x1) & v_sit(e1) & in(x1,x2) & n_shirt(x2) & a_red(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists e1 s1 x1 x2.(atop(e1,x2) & n_mountain(x2) & Actor(e1,x1) & v_sit(e1) & n_man(x1) & a_rugged(s1) & Theme(s1,x1))