Two people performing at a music festival.
Two people playing.
In a way performign is playing.
exists e1 x1 x2 x3 x4.(a_topic(x1) & at(e1,x3) & n_festival(x3) & of(x3,x4) & n_music(x4) & Actor(e1,x2) & v_perform(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))
exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_people(x1) & card_eq_2(x1))