Three little girls look on as a boy plays the harmonica with an adult guiutarist sitting beside him.
Three girls are enjoying a bluegrass concert.
Because people are playing harmonica and guitar doesn't mean is a bluegrass concert.
exists e2 e3 e1 s1 x1 x2 x3 x4 x5 x6 x7.(n_male(x4) & n_harmonica(x4) & r_on(e1) & as(e1,x2) & with(e2,x5) & beside(e3,x4) & Actor(e3,x7) & v_sit(e3) & (x5 = x7) & n_guiutarist(x5) & of(x5,x6) & n_adult(x6) & Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & (x2 = x3) & n_boy(x2) & Actor(e1,x1) & v_look(e1) & n_girl(x1) & a_little(s1) & Theme(s1,x1) & card_eq_3(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_concert(x2) & a_bluegrass(s1) & Theme(s1,x2) & n_girl(x1) & card_eq_3(x1))