Grading system for the qualitative assessment
| Score | Granularity | GM-WM Differentiation | Overall Quality |
|---|---|---|---|
| 1 | Much more than expected | Much worse than expected | Much worse than expected |
| 2 | More than expected | Worse than expected | Worse than expected |
| 3 | Normal, as expected | Normal, as expected | Equal, as expected |
| 4 | Less than expected | Better than expected | Better than expected |
| 5 | Much less than expected | Much better than expected | Much better than expected |