A man is playing a guitar with a child playing a harmonica while three young girls watch.
The child played the flute
The person can't be a man and a child. The instrument can't be both a guitar and a flute.
exists e1 e2 s1 x1 x2 x3 x4 x5 x6 x7.(with(e1,x3) & while(e2,x6) & n_watch(x6) & of(x6,x7) & n_girl(x7) & a_young(s1) & Theme(s1,x6) & card_eq_3(x6) & Theme(e2,x5) & Actor(e2,x4) & v_play(e2) & n_harmonica(x5) & (x3 = x4) & n_child(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_man(x1))
exists e1 x1 x2.(n_flute(x2) & n_child(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1))