A band of two young adult boys performs on stage.
Two women sing a duet in a park.
Women are not boys.
exists e1 s1 x1 x2 x3 x4.(on(e1,x4) & n_stage(x4) & Actor(e1,x1) & v_perform(e1) & of(x1,x2) & n_boy(x2) & of(x2,x3) & n_adult(x3) & a_young(s1) & Theme(s1,x2) & card_eq_2(x2) & n_band(x1))
exists e1 x1 x2 x3.(in(e1,x3) & n_park(x3) & Theme(e1,x2) & Actor(e1,x1) & v_sing(e1) & n_duet(x2) & n_woman(x1) & card_eq_2(x1))