premise: A boy surfs.
hypothesis: the boy is on the moon
explanation_1: It is not possible to surf as it requires water and there is not a body of water on the moon.
premise_logic: exists e1 x1.(Actor(e1,x1) & v_surf(e1) & n_boy(x1))
hypothesis_logic: exists p1 x1 x2.(n_moon(x2) & n_boy(x1) & on(x1,x2))
premise_sim: exists e1 x1.(v_surf(e1) & n_boy(x1) & Actor(e1,x1))
hypothesis_sim: exists x1 x2.(on(x1,x2) & n_moon(x2) & n_boy(x1))