premise: Boy does skateboard trick.
hypothesis: A boy is on a bicycle.
explanation_1: One can ride either a skateboard or a bicycle.
premise_logic: exists e1 x1 x2.(ne_nam_boy(x1) & Theme(e1,x2) & Actor(e1,x1) & v_skateboard(e1) & n_trick(x2))
hypothesis_logic: exists p1 x1.(exists x2.(on(x1,x2) & n_bicycle(x2)) & n_boy(x1))
premise_sim: exists e1 x1 x2.(v_skateboard(e1) & ne_nam_boy(x1) & n_trick(x2) & Theme(e1,x2) & Actor(e1,x1))
hypothesis_sim: exists x1.(n_boy(x1) & exists x2.(on(x1,x2) & n_bicycle(x2)))