premise: a group of 9 bicycle riders in a group on a trail
hypothesis: There are 8 bicycle riders.
explanation_1: There are either 8 bicycle riders, or 9 bicycle riders.
premise_logic: exists x1 x2 x3 x4 x5.(a_topic(x1) & of(x1,x2) & on(x2,x5) & n_trail(x5) & in(x2,x4) & n_group(x4) & n_rider(x2) & of(x2,x3) & n_bicycle(x3) & n_date(x2) & a_date_day_09(x2) & a_date_day_09(x2) & n_group(x1))
hypothesis_logic: exists p1 x1 x2 x3.((x1 = x2) & n_rider(x2) & of(x2,x3) & n_bicycle(x3) & n_date(x2) & a_date_day_08(x2) & a_date_day_08(x2))
premise_sim: exists x1 x2 x3 x4 x5.(on(x2,x5) & of(x2,x3) & of(x1,x2) & n_trail(x5) & n_rider(x2) & n_group(x4) & n_group(x1) & n_date(x2) & n_bicycle(x3) & in(x2,x4) & a_topic(x1) & a_date_day_09(x2))
hypothesis_sim: exists x1 x2 x3.(of(x2,x3) & n_rider(x2) & n_date(x2) & n_bicycle(x3) & a_date_day_08(x2) & (x1 = x2))