premise: A man tumbles as spectators watch at the University of Michigan.
hypothesis: The man is falling down the stairs at a sports game.
explanation_1: In a game it is obvious falling down
explanation_2: Just because a man tumbles as spectators watch at the University of Michigan doesn't mean he is falling down the stairs.
explanation_3: A man can tumble without falling down the stairs.
premise_logic: exists e1 e2 x1 x2 x3 x4 x5 x6.(ne_org_michigan(x6) & ne_org_university(x5) & at(e2,x5) & of(x5,x6) & Theme(e2,x4) & Actor(e2,x1) & v_watch(e2) & n_thing(x4) & as(e1,x3) & n_spectator(x3) & Actor(e1,x2) & v_tumble(e1) & (x1 = x2) & n_man(x1))
hypothesis_logic: exists e1 s1 x1 x2 x3 x4.(n_stair(x2) & n_man(x1) & at(e1,x3) & n_game(x3) & of(x3,x4) & n_sport(x4) & a_down(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_fall(e1))