Two Latinos playing instruments; one on the violin and the other on harp.
Two black women are singing a song.
The two people can't be playing instruments and singing simultaneously.
exists e1 x1 x2 x3 x4 x5 x6 x7 x8 x9.(n_other(x8) & n_violin(x7) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & subset_of(x5,x3) & subset_of(x8,x5) & on(x8,x9) & n_harp(x9) & subset_of(x6,x5) & on(x6,x7) & n_thing(x6) & card_eq_1(x6) & subset_of(x4,x3) & n_instrument(x4) & (x1 = x2) & n_latino(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_sing(e1) & n_song(x2) & n_woman(x1) & a_black(s1) & Theme(s1,x1) & card_eq_2(x1))