premise: A man in goggle swimming.
hypothesis: A man on the beach.
explanation_1: The man would have to be in the water to be swimming.
explanation_2: Answer: One cannot be on the beach while he is swimming
explanation_3: If he is swimming, he is not on the beach.
premise_logic: exists s1 x1 x2.(a_topic(x1) & in(x1,x2) & n_swimming(x2) & a_goggle(s1) & Theme(s1,x2) & n_man(x1))
hypothesis_logic: exists x1 x2.(n_beach(x2) & a_topic(x1) & on(x1,x2) & n_man(x1))