premise: a group of skiers jumping down slopes with the sun directly cast in backgroud
hypothesis: A man and a woman ride their bikes down a hill.
explanation_1: first sentence there is a group of skiers, second one there is a man and a woman
explanation_2: The people cannot be jumping down slopes and ride their bikes at the same time.
explanation_3: Skiers jumping down slopes cannot ride their bikes down a hill same time.
premise_logic: exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6.(n_sun(x5) & a_directly(s2) & Manner(e2,s2) & in(e2,x6) & n_backgroud(x6) & Actor(e2,x1) & v_cast(e2) & with(e1,x5) & a_down(s1) & Manner(e1,s1) & Theme(e1,x4) & Actor(e1,x3) & v_jump(e1) & n_slope(x4) & (x1 = x3) & of(x1,x2) & n_skier(x2) & n_group(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4 x5.(down(e1,x5) & n_hill(x5) & Theme(e1,x4) & Actor(e1,x1) & v_ride(e1) & n_bike(x4) & of(x4,x2) & n_thing(x2) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))