premise: A performance group is staged in one collective motion.
hypothesis: The performance group is dancing.
explanation_1: You can be in a collective motion and not be dancing.
explanation_2: Not all collective motions constitute dancing.
explanation_3: All performance groups that move may not be dancing.
premise_logic: exists e1 p1 x1 x2.(for(p1,e1) & Theme(e1,x1) & v_stage(e1) & exists s1 x3.(in(x1,x3) & n_motion(x3) & a_collective(s1) & Theme(s1,x3) & card_eq_1(x3)) & n_group(x1) & of(x1,x2) & n_performance(x2))
hypothesis_logic: exists e1 x1 x2.(n_group(x1) & of(x1,x2) & n_performance(x2) & Actor(e1,x1) & v_dance(e1))
premise_sim: exists e1 p1 x1 x2.(v_stage(e1) & of(x1,x2) & n_performance(x2) & n_group(x1) & for(p1,e1) & exists s1 x3.(n_motion(x3) & in(x1,x3) & card_eq_1(x3) & a_collective(s1) & Theme(s1,x3)) & Theme(e1,x1))
hypothesis_sim: exists e1 x1 x2.(v_dance(e1) & of(x1,x2) & n_performance(x2) & n_group(x1) & Actor(e1,x1))