premise: A snowboarder in green pants boards down a snowy mountain.
hypothesis: A pantsless snowboarder rides down the mountain.
explanation_1: A pantsless person can not be wearing green pants.
explanation_2: If a snowboarder is pantsless, then he is not wearing green pants.
explanation_3: The snowboarder can't be pantsless and wearing green pants.
premise_logic: exists s1 s2 x1 x2 x3 x4.(a_topic(x1) & down(x1,x4) & n_mountain(x4) & a_snowy(s2) & Theme(s2,x4) & in(x1,x2) & n_board(x2) & of(x2,x3) & n_pants(x3) & a_green(s1) & Theme(s1,x2) & n_snowboarder(x1))
hypothesis_logic: exists s1 x1 x2 x3.(n_mountain(x3) & a_topic(x1) & down(x1,x3) & n_ride(x1) & of(x1,x2) & n_snowboarder(x2) & a_pantsless(s1) & Theme(s1,x1))