A guitar band, which is consisted of 3 guitarists, is performing.
A man and two women play guitar
A guitar band with 3 guitarists doesn't mean it is a man and two women.
exists e2 e1 x1 x2 x3 x4.(Actor(e2,x1) & v_perform(e2) & of(e1,x4) & n_guitarist(x4) & n_date(x4) & a_date_day_03(x4) & a_date_day_03(x4) & Theme(e1,x3) & v_consist(e1) & (x1 = x3) & n_band(x1) & of(x1,x2) & n_guitar(x2))
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_play(e1) & n_guitar(x3) & n_woman(x1) & card_eq_2(x1) & of(x1,x2) & n_man(x2))