premise: A group of cyclists are racing in a velodrome.
hypothesis: girl plays hop scotch
explanation_1: He refers to group of cyclist which indicates more than the girl.  One would not be playing hopscotch while racing in a velodrome at the same time.
premise_logic: exists e1 x1 x2 x3.(in(e1,x3) & n_velodrome(x3) & Actor(e1,x1) & v_race(e1) & of(x1,x2) & n_cyclist(x2) & n_group(x1))
hypothesis_logic: exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_scotch(x2) & of(x2,x3) & n_hop(x3) & n_girl(x1))
premise_sim: exists e1 x1 x2 x3.(v_race(e1) & of(x1,x2) & n_velodrome(x3) & n_group(x1) & n_cyclist(x2) & in(e1,x3) & Actor(e1,x1))
hypothesis_sim: exists e1 x1 x2 x3.(v_play(e1) & of(x2,x3) & n_scotch(x2) & n_hop(x3) & n_girl(x1) & Theme(e1,x2) & Actor(e1,x1))