Three females stand in front of microphones with mouths open in apparent act of singing.
Three women in matching outfits are singing.
Singers do not always wear matching outfits.
exists e1 s1 s2 x1 x2 x3 x4 x5 x6 x7.(in(e1,x2) & of(x2,x7) & n_singing(x7) & in(x2,x6) & n_act(x6) & a_apparent(s2) & Theme(s2,x6) & of(x2,x3) & with(x3,x4) & Theme(s1,x5) & a_open(s1) & (x4 = x5) & n_mouth(x4) & n_microphone(x3) & n_front(x2) & Actor(e1,x1) & v_stand(e1) & n_female(x1) & card_eq_3(x1))
exists e1 x1 x2 x3.(Actor(e1,x1) & v_sing(e1) & in(x1,x2) & n_outfit(x2) & of(x2,x3) & n_matching(x3) & n_woman(x1) & card_eq_3(x1))