premise: A man alone crosscountry skis in the wilderness while wearing a huge backpack.
hypothesis: A man skis in the wilderness
explanation_1: A man skis crosscountry wearing a backpack.
explanation_2: A man skis is a slight rewording of a man crosscountry skis.
explanation_3: A man going crosscountry is in the wilderness.
premise_logic: exists e2 e1 s1 s2 x1 x2 x3 x4 x5.(n_wilderness(x5) & for(e1,s2) & crosscountry(s2,x4) & in(x4,x5) & n_ski(x4) & Theme(s2,x3) & Pivot(s2,x1) & a_alone(s2) & n_man(x3) & while(e1,e2) & Theme(e2,x2) & Actor(e2,x1) & v_wear(e2) & n_backpack(x2) & a_huge(s1) & Theme(s1,x2) & Actor(e1,x1) & v_event(e1) & n_thing(x1))
hypothesis_logic: exists x1 x2 x3.(n_wilderness(x3) & a_topic(x1) & in(x1,x3) & n_ski(x1) & of(x1,x2) & n_man(x2))