premise: A snow activity enthusiast flips around on a snowy mountain.
hypothesis: A person enjoying the snow on a mountain
explanation_1: an enthusiast is also person who can enjoy the snow or have activities on the snow
explanation_2: A snow activity enthusiast is a person interested in snow.  When a person flips around in the snow, he is enjoying it.
explanation_3: A snow activity enthusiast implies a person.
premise_logic: exists e1 s1 s2 x1 x2 x3 x4.(a_around(s2) & Manner(e1,s2) & on(e1,x4) & n_mountain(x4) & a_snowy(s1) & Theme(s1,x4) & Actor(e1,x1) & v_flip(e1) & n_enthusiast(x1) & of(x1,x3) & n_activity(x3) & of(x1,x2) & n_snow(x2))
hypothesis_logic: exists e1 x1 x2 x3 x4.(n_snow(x3) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_enjoy(e1) & on(x3,x4) & n_mountain(x4) & (x1 = x2) & n_person(x1))
premise_sim: exists e1 s1 s2 x1 x2 x3 x4.(v_flip(e1) & on(e1,x4) & of(x1,x3) & of(x1,x2) & n_snow(x2) & n_mountain(x4) & n_enthusiast(x1) & n_activity(x3) & a_snowy(s1) & a_around(s2) & Theme(s1,x4) & Manner(e1,s2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2 x3 x4.(v_enjoy(e1) & on(x3,x4) & n_snow(x3) & n_person(x1) & n_mountain(x4) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & (x1 = x2))