premise: A young boy riding on the shoulders of a man outdoors.
hypothesis: A man and his son are outside at the park.
explanation_1: The first sentence doesn't imply that the boy is the man's son. The first sentence doesn't imply that the two people are at a park, only that they are outdoors.
explanation_2: Being outdoors does not imply being at the park.
explanation_3: Just because the man and son are outdoors does not indicate that they are in the park.
premise_logic: exists s1 x1 x2 x3 x4 x5.(n_shoulder(x3) & a_topic(x1) & on(x1,x3) & of(x3,x4) & n_outdoors(x4) & of(x4,x5) & n_man(x5) & n_riding(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))
hypothesis_logic: exists s1 x1 x2 x3 x4.(n_park(x4) & at(s1,x4) & Theme(s1,x1) & a_outside(s1) & subset_of(x3,x1) & n_son(x3) & of(x3,x2) & n_male(x2) & subset_of(x2,x1) & n_man(x2))
premise_sim: exists s1 x1 x2 x3 x4 x5.(on(x1,x3) & of(x4,x5) & of(x3,x4) & of(x1,x2) & n_shoulder(x3) & n_riding(x1) & n_outdoors(x4) & n_man(x5) & n_boy(x2) & a_young(s1) & a_topic(x1) & Theme(s1,x1))
hypothesis_sim: exists s1 x1 x2 x3 x4.(subset_of(x3,x1) & subset_of(x2,x1) & of(x3,x2) & n_son(x3) & n_park(x4) & n_man(x2) & n_male(x2) & at(s1,x4) & a_outside(s1) & Theme(s1,x1))