Girl playing acoustic guitar on homemade milk crate stage.
A girl is playing a guitar.
a girl is playing a guitar is the same as girl playing guitar
exists e1 s1 x1 x2 x3 x4 x5 x6.(ne_nam_girl(x1) & on(e1,x3) & n_stage(x3) & of(x3,x6) & n_crate(x6) & of(x3,x5) & n_milk(x5) & of(x3,x4) & n_homemade(x4) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & a_acoustic(s1) & Theme(s1,x2))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_girl(x1))