| unusually | 9 | degree |
| high | 5 | degree |
| in certain wavelengths of light | 4 | location |
| comet → be → dark | 18 |
| comet → be located in → dark sky | 5 |
| negative | neutral | positive |
| 0.230 | 0.497 | 0.273 |
| Raw frequency | 23 |
| Normalized frequency | 0.370 |
| Modifier score | 0.500 |
| Perplexity | 451.220 |