premise: A man and his son riding bikes down the sidewalk.
hypothesis: a man and a boy were riding bikes through town on the sidewalk
explanation_1: A man's son can easily be a boy; the presence of a sidewalk indicates a town.
explanation_2: The man is the boy's father and they are walking on sidewalk.
explanation_3: The son is young enough to be called a boy, and they are riding through town.
premise_logic: exists s1 x1 x2 x3 x4 x5.(n_sidewalk(x5) & a_topic(s1) & subset_of(x2,s1) & down(x2,x5) & n_bike(x2) & of(x2,x4) & n_riding(x4) & of(x2,x3) & n_son(x3) & of(x2,x1) & n_male(x1) & subset_of(x1,s1) & n_man(x1))
hypothesis_logic: exists e1 x1 x2 x3 x4 x5 x6.(n_sidewalk(x6) & on(e1,x6) & through(e1,x5) & n_town(x5) & Theme(e1,x4) & Actor(e1,x1) & v_ride(e1) & n_bike(x4) & subset_of(x3,x1) & n_boy(x3) & subset_of(x2,x1) & n_man(x2))
premise_sim: exists s1 x1 x2 x3 x4 x5.(subset_of(x2,s1) & subset_of(x1,s1) & of(x2,x4) & of(x2,x3) & of(x2,x1) & n_son(x3) & n_sidewalk(x5) & n_riding(x4) & n_man(x1) & n_male(x1) & n_bike(x2) & down(x2,x5) & a_topic(s1))
hypothesis_sim: exists e1 x1 x2 x3 x4 x5 x6.(v_ride(e1) & through(e1,x5) & subset_of(x3,x1) & subset_of(x2,x1) & on(e1,x6) & n_town(x5) & n_sidewalk(x6) & n_man(x2) & n_boy(x3) & n_bike(x4) & Theme(e1,x4) & Actor(e1,x1))