Interpreting the dispersion plot

Based on the dispersion plot, which of the following is TRUE about the fit of the data to the model:

50 XP

Good fit, since there is a lot of shrinkage.
press1
Good fit, since the dispersions decrease with increasing mean and cluster around the maximum likelihood (ML) line.
press2
Poor fit, since the raw dispersions are far from the ML line.
press3
Poor fit, since the raw dispersions don't cluster around the ML line.
press4