premise: a skier is throwing up snow as he skis off piste.
hypothesis: A snowboarder takes a nap on the course.
explanation_1: the two actions are contradictory, to ski is active and to take a nap is to rest
explanation_2: you cannot be a skier and snowboarder simultaneously or ski and nap at the same time.
explanation_3: A skier is not a snowboarder. A person cannot be throwing up snow if they're taking a nap.
premise_logic: exists e1 p1 s1 x1 x2.(exists e2 s2 x3.(a_off(s2) & Manner(e2,s2) & Theme(e2,x3) & Actor(e2,x1) & v_ski(e2) & n_piste(x3)) & n_male(x1) & as(e1,p1) & a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_throw(e1) & n_snow(x2) & n_skier(x1))
hypothesis_logic: exists e1 x1 x2 x3.(n_course(x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & on(x2,x3) & n_nap(x2) & n_snowboarder(x1))
premise_sim: exists e1 p1 s1 x1 x2.(v_throw(e1) & n_snow(x2) & n_skier(x1) & n_male(x1) & exists e2 s2 x3.(v_ski(e2) & n_piste(x3) & a_off(s2) & Theme(e2,x3) & Manner(e2,s2) & Actor(e2,x1)) & as(e1,p1) & a_up(s1) & Theme(e1,x2) & Manner(e1,s1) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2 x3.(v_take(e1) & on(x2,x3) & n_snowboarder(x1) & n_nap(x2) & n_course(x3) & Theme(e1,x2) & Actor(e1,x1))