A guitarist sits playing before microphones, while a man and a boy dance and a woman stands by.
an ethnic music group performs
Not all music groups with dancers and guitarists are ethnic
exists e1 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(a_by(s1) & Manner(e1,s1) & while(e1,x4) & subset_of(x6,x4) & subset_of(x9,x6) & n_stand(x9) & of(x9,x10) & n_woman(x10) & subset_of(x7,x6) & n_dance(x7) & of(x7,x8) & n_boy(x8) & subset_of(x5,x4) & n_man(x5) & before(e1,x3) & n_microphone(x3) & Theme(e1,x2) & Actor(e1,x1) & v_sit(e1) & n_playing(x2) & n_guitarist(x1))
exists e1 s1 x1 x2.(Actor(e1,x1) & v_perform(e1) & n_group(x1) & of(x1,x2) & n_music(x2) & a_ethnic(s1) & Theme(s1,x1))