premise: People are taking their clothes off outside their tents.
hypothesis: Men in ski clothes head down the slopes
explanation_1: One cannot be standing outside a tent and traveling down a slope at the same time.  Taking their clothes off signifies undressing while men in ski clothes signifies being bundled up.
premise_logic: exists e1 s1 x1 x2 x3.(outside(e1,x3) & n_tent(x3) & of(x3,x1) & n_thing(x1) & n_thing(x1) & a_off(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_clothes(x2) & of(x2,x1) & n_people(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4.(n_slope(x4) & down(e1,x4) & Actor(e1,x1) & v_head(e1) & in(x1,x2) & n_clothes(x2) & of(x2,x3) & n_ski(x3) & n_man(x1))
premise_sim: exists e1 s1 x1 x2 x3.(v_take(e1) & outside(e1,x3) & of(x3,x1) & of(x2,x1) & n_thing(x1) & n_tent(x3) & n_people(x1) & n_clothes(x2) & a_off(s1) & Theme(e1,x2) & Manner(e1,s1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2 x3 x4.(v_head(e1) & of(x2,x3) & n_slope(x4) & n_ski(x3) & n_man(x1) & n_clothes(x2) & in(x1,x2) & down(e1,x4) & Actor(e1,x1))