premise: People are riding their bikes down a road.
hypothesis: People are having fun.
explanation_1: People in sentence 2 don't have to be the same as in sentence one, and you don't need to have fun while biking
explanation_2: Sentence 1 doesn't say that the people are having fun.
explanation_3: HAVING FUN DOES NOT NECESSARILY INDICATE RIDING BIKE ALONE
premise_logic: exists e1 x1 x2 x3.(down(e1,x3) & n_road(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_bike(x2) & of(x2,x1) & n_thing(x1) & n_people(x1))
hypothesis_logic: exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_fun(x2) & n_people(x1))