premise: A group of gymnasts performing.
hypothesis: Gymnasts are performing
explanation_1: Gymnast performing is a rephrase of a group of gymnasts are performing.
premise_logic: exists e1 x1 x2 x3.(a_topic(x1) & Actor(e1,x3) & v_perform(e1) & (x1 = x3) & of(x1,x2) & n_gymnast(x2) & n_group(x1))
hypothesis_logic: exists e1 x1.(Actor(e1,x1) & v_perform(e1) & n_gymnast(x1))
premise_sim: exists e1 x1 x2 x3.(v_perform(e1) & of(x1,x2) & n_gymnast(x2) & n_group(x1) & a_topic(x1) & Actor(e1,x3) & (x1 = x3))
hypothesis_sim: exists e1 x1.(v_perform(e1) & n_gymnast(x1) & Actor(e1,x1))