premise: A little brown-haired girl up in a tree.
hypothesis: The boy jumped from the tree.
explanation_1: Girl is contradictory to boy.
explanation_2: A boy is not a girl.  Being up in a tree is the opposite of jumped from the tree.
explanation_3: girl doesn't mean boy
premise_logic: exists s1 s2 x1 x2.(a_topic(x1) & n_up(x1) & in(x1,x2) & n_tree(x2) & n_girl(x1) & a_brown-haired(s2) & Theme(s2,x1) & a_little(s1) & Theme(s1,x1))
hypothesis_logic: exists e1 x1 x2.(n_tree(x2) & n_boy(x1) & from(e1,x2) & Actor(e1,x1) & v_jump(e1))