premise: Biker doing a trick in air.
hypothesis: The biker is crazy.
explanation_1: A biker doing a trick in air doesn't necessarily imply the biker is crazy.
premise_logic: exists e1 x1 x2 x3.(ne_nam_biker(x1) & Theme(e1,x2) & Actor(e1,x1) & v_do(e1) & in(x2,x3) & n_air(x3) & n_trick(x2))
hypothesis_logic: exists s1 x1.(n_biker(x1) & Theme(s1,x1) & a_crazy(s1))
premise_sim: exists e1 x1 x2 x3.(v_do(e1) & ne_nam_biker(x1) & n_trick(x2) & n_air(x3) & in(x2,x3) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists s1 x1.(n_biker(x1) & a_crazy(s1) & Theme(s1,x1))