Man sitting on milk crate plays guitar on sidewalk.
The man is sitting on a large milk crate.
We don't know how large or small the milk crate is.
exists e1 e2 x1 x2 x3 x4 x5 x6.(on(e2,x6) & n_sidewalk(x6) & Theme(e2,x5) & Actor(e2,x1) & v_play(e2) & n_guitar(x5) & on(e1,x3) & n_crate(x3) & of(x3,x4) & n_milk(x4) & Actor(e1,x2) & v_sit(e1) & (x1 = x2) & n_man(x1))
exists e1 s1 x1 x2 x3.(n_man(x1) & on(e1,x2) & n_crate(x2) & of(x2,x3) & n_milk(x3) & a_large(s1) & Theme(s1,x2) & Actor(e1,x1) & v_sit(e1))