premise: A biker gets high in the air against a skyline.
hypothesis: The biker is a human.
explanation_1: biker must be a human
explanation_2: The subject of both sentences is a biker.
explanation_3: The biker is human.
premise_logic: exists e1 p1 x1 x2 x3.(n_air(x2) & in(e1,x2) & against(x2,x3) & n_skyline(x3) & exists s1.(Theme(s1,x1) & a_high(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_get(e1) & n_biker(x1))
hypothesis_logic: exists p1 x1.(n_biker(x1) & exists x2.((x1 = x2) & n_human(x2)))
premise_sim: exists e1 p1 x1 x2 x3.(v_get(e1) & n_skyline(x3) & n_biker(x1) & n_air(x2) & in(e1,x2) & exists s1.(a_high(s1) & Theme(s1,x1)) & against(x2,x3) & Topic(e1,p1) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_biker(x1) & exists x2.(n_human(x2) & (x1 = x2)))