premise: A man rock climbs with a city and body of water in the background.
hypothesis: The man is swimming.
explanation_1: The subject is either swimming or he rock climbs.
explanation_2: One cannot be rock climbing and swimming at the time.
explanation_3: A man that rock climbs cannot be swimming same time.
premise_logic: exists s1 x1 x2 x3 x4 x5 x6 x7.(n_background(x7) & a_topic(s1) & subset_of(x5,s1) & in(x5,x7) & of(x5,x6) & n_water(x6) & n_body(x5) & subset_of(x1,s1) & with(x1,x4) & n_city(x4) & n_climb(x1) & of(x1,x3) & n_rock(x3) & of(x1,x2) & n_man(x2))
hypothesis_logic: exists p1 x1.(n_man(x1) & exists x2.((x1 = x2) & n_swimming(x2)))