premise: Show dancers performing in sync with purple background lights.
hypothesis: There are a group of people dancing.
explanation_1: A group of people dancing implies show dancers performing in sync
explanation_2: A group of people are performing by dancing in sync.
explanation_3: Show dancers performing is a group of people dancing
premise_logic: exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & with(e1,x5) & n_light(x5) & of(x5,x6) & n_background(x6) & a_purple(s1) & Theme(s1,x5) & in(e1,x4) & n_sync(x4) & Actor(e1,x3) & v_perform(e1) & (x1 = x3) & n_dancer(x1) & (x1 = x2) & ne_nam_show(x2))
hypothesis_logic: exists p1 x1 e1 x2 x3 x4.((x1 = x2) & of(x2,x3) & Actor(e1,x4) & v_dance(e1) & (x3 = x4) & n_people(x3) & n_group(x2))