premise: A man is riding on a surfboard.
hypothesis: The surfer is in the ocean.
explanation_1: The man is riding on a surfboard, so the surfer is obviously in the ocean.
premise_logic: exists e1 x1 x2.(on(e1,x2) & n_surfboard(x2) & Actor(e1,x1) & v_ride(e1) & n_man(x1))
hypothesis_logic: exists p1 x1 x2.(n_ocean(x2) & n_surfer(x1) & in(x1,x2))
premise_sim: exists e1 x1 x2.(v_ride(e1) & on(e1,x2) & n_surfboard(x2) & n_man(x1) & Actor(e1,x1))
hypothesis_sim: exists x1 x2.(n_surfer(x1) & n_ocean(x2) & in(x1,x2))