A band, consisting of at least one male guitar player and one female singer, plays music on a stage.
There are no women in the band.
one band has a female singer while the other band has no women in it
exists e3 e1 e2 s1 x1 x2 x3 x4 x5 x6 x7 x8.(for(e1,e2) & of(e2,e3) & a_at(e3) & Actor(e3,x4) & v_least(e3) & n_singer(x6) & a_female(s1) & Theme(s1,x6) & card_eq_1(x6) & n_player(x5) & of(x5,x8) & n_guitar(x8) & of(x5,x7) & n_male(x7) & card_eq_1(x5) & subset_of(x6,x4) & subset_of(x5,x4) & Actor(e2,x1) & v_consist(e2) & on(e1,x3) & n_stage(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_music(x2) & n_band(x1))
exists p1 x1 x3.(n_band(x3) & -exists x2.((x1 = x2) & in(x2,x3) & n_woman(x2)))