premise: A person waterskiing in a river with a large wall in the background.
hypothesis: A man waterskiing in a river with a large wall in the background.
explanation_1: Person could either be a man or woman!?
explanation_2: The person can be man or woman or kid
explanation_3: Just because a person waterskiing in a river with a large wall in the background does not mean that person is a man.
premise_logic: exists s1 x1 x2 x3 x4 x5.(n_background(x5) & a_topic(x1) & in(x1,x3) & with(x3,x4) & in(x4,x5) & n_wall(x4) & a_large(s1) & Theme(s1,x4) & n_river(x3) & Time(x1,x2) & n_waterskiing(x2) & n_person(x1))
hypothesis_logic: exists s1 x1 x2 x3 x4 x5.(n_background(x5) & a_topic(x1) & in(x1,x3) & with(x3,x4) & in(x4,x5) & n_wall(x4) & a_large(s1) & Theme(s1,x4) & n_river(x3) & n_waterskiing(x1) & of(x1,x2) & n_man(x2))