One woman singing and one woman playing keyboard.
Two ladies are making music while a crowd watches.
Not everyone who sings and plays a keyboard does so while a crowd watches.
exists e1 s1 x1 x2 x3 x4 x5.(a_topic(s1) & subset_of(x3,s1) & Theme(e1,x5) & Actor(e1,x4) & v_play(e1) & n_keyboard(x5) & (x3 = x4) & n_woman(x3) & card_eq_1(x3) & subset_of(x1,s1) & n_singing(x1) & of(x1,x2) & n_woman(x2) & card_eq_1(x1))
exists e1 p1 x1 x2.(exists e2 x3.(Actor(e2,x3) & v_watch(e2) & n_crowd(x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & n_music(x2) & n_lady(x1) & card_eq_2(x1))