premise: A man wearing a white t-shirt and shorts is rock climbing with other people wearing blue hard hats.
hypothesis: A man in a black t-shirt and shorts is hiking up a mountain.
explanation_1: A man can either wear a black t-shirt or a white t-shirt but not both.
explanation_2: A black t-shirt is not a white t-shirt.  If a man is rock climbing he is not hiking up a mountain.
explanation_3: white not same as  black
premise_logic: exists e1 p1 s1 x1 x2 x3 x4 x5 x9.(n_people(x9) & exists e2 e3 s2 s3 x6 x7 x8 x10.((x1 = x6) & for(e2,e3) & Theme(e3,x10) & Actor(e3,x7) & v_wear(e3) & n_hat(x10) & a_hard(s3) & Theme(s3,x10) & a_blue(s2) & Theme(s2,x10) & with(e2,x8) & -(x8 = x9) & n_people(x8) & Actor(e2,x7) & v_climb(e2) & (x6 = x7) & n_rock(x6)) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & subset_of(x5,x3) & n_shorts(x5) & subset_of(x4,x3) & n_t-shirt(x4) & a_white(s1) & Theme(s1,x4) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 s1 s2 x1 x2 x3 x4 x5.(a_up(s2) & Manner(e1,s2) & Theme(e1,x5) & Actor(e1,x1) & v_hike(e1) & n_mountain(x5) & in(x1,x2) & subset_of(x4,x2) & n_shorts(x4) & subset_of(x3,x2) & n_t-shirt(x3) & a_black(s1) & Theme(s1,x3) & n_man(x1))