premise: Three men on mountain bikes go over a sand hill.
hypothesis: Men walk their bikes after getting flat tires.
explanation_1: They cant be walking the bikes if they are on them
explanation_2: Men can't be on mountain bikes and walking their bikes at the same time.
explanation_3: Men are either on mountain bikes or they walk their bikes. If the bikes have flat tires, they cannot ride them at the same time.
premise_logic: exists e1 x1 x2 x3 x4 x5.(over(e1,x4) & n_hill(x4) & of(x4,x5) & n_sand(x5) & Actor(e1,x1) & v_go(e1) & on(x1,x2) & n_bike(x2) & of(x2,x3) & n_mountain(x3) & n_man(x1) & card_eq_3(x1))
hypothesis_logic: exists e2 e1 s1 x1 x2 x3.(after(e1,e2) & Theme(e2,x3) & Actor(e2,x1) & v_get(e2) & n_tire(x3) & a_flat(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_bike(x2) & of(x2,x1) & n_thing(x1) & n_man(x1))
premise_sim: exists e1 x1 x2 x3 x4 x5.(v_go(e1) & over(e1,x4) & on(x1,x2) & of(x4,x5) & of(x2,x3) & n_sand(x5) & n_mountain(x3) & n_man(x1) & n_hill(x4) & n_bike(x2) & card_eq_3(x1) & Actor(e1,x1))
hypothesis_sim: exists e2 e1 s1 x1 x2 x3.(v_walk(e1) & v_get(e2) & of(x2,x1) & n_tire(x3) & n_thing(x1) & n_man(x1) & n_bike(x2) & after(e1,e2) & a_flat(s1) & Theme(s1,x3) & Theme(e2,x3) & Theme(e1,x2) & Actor(e2,x1) & Actor(e1,x1))