premise: A man on stage in the act of jumping, with a little boy in the background really enjoying it.
hypothesis: A boy watches boats on a lake.
explanation_1: A man implies someone older than a boy. Jumping is a different action than watching.
explanation_2: A man on stage jumping, can't be at the lake where the boy is watching the boats.
explanation_3: A man is not a boat and a lake is not a stage.  Boats can't jump.
premise_logic: exists e2 e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(n_thing(x6) & n_background(x6) & n_act(x3) & a_topic(x1) & on(x1,x2) & in(x2,x3) & with(e1,x5) & in(x5,x6) & a_really(s2) & Manner(e2,s2) & Theme(e2,x6) & Actor(e2,x7) & v_enjoy(e2) & (x6 = x7) & n_boy(x5) & a_little(s1) & Theme(s1,x5) & Actor(e1,x4) & v_jump(e1) & (x3 = x4) & n_stage(x2) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3.(on(e1,x3) & n_lake(x3) & Theme(e1,x2) & Actor(e1,x1) & v_watch(e1) & n_boat(x2) & n_boy(x1))