premise: A windsurfer speeds towards the beach.
hypothesis: The windsurfer is sitting on the beach.
explanation_1: One may not be heading towards the beach and be on the beach at the same time
premise_logic: exists e1 x1 x2.(n_beach(x2) & towards(e1,x2) & Actor(e1,x1) & v_speed(e1) & n_windsurfer(x1))
hypothesis_logic: exists e1 x1 x2.(n_beach(x2) & n_windsurfer(x1) & on(e1,x2) & Actor(e1,x1) & v_sit(e1))
premise_sim: exists e1 x1 x2.(v_speed(e1) & towards(e1,x2) & n_windsurfer(x1) & n_beach(x2) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_sit(e1) & on(e1,x2) & n_windsurfer(x1) & n_beach(x2) & Actor(e1,x1))