premise: A man in a white shirt waves his hand under a white and blue umbrella.
hypothesis: A man is standing on his head under water.
explanation_1: The man cannot be under a white and blue umbrella if he is under water.
explanation_2: A man can't use an umbrella underwater.
explanation_3: Waving a hand and standing on your head are not the same thing.
premise_logic: (x)
hypothesis_logic: exists e1 x1 x2 x3.(under(e1,x3) & n_water(x3) & on(e1,x2) & n_head(x2) & of(x2,x1) & n_male(x1) & Actor(e1,x1) & v_stand(e1) & n_man(x1))