| a short time | 6 | temporal |
| most frequently | 5 | degree |
| visually | 4 | manner |
| ufo → be → sighted | 29 |
| ufo → be → observed | 26 |
| ufo → be → spotted | 25 |
| ufo → be → detected | 3 |
| negative | neutral | positive |
| 0.148 | 0.754 | 0.098 |
| Raw frequency | 83 |
| Normalized frequency | 0.708 |
| Modifier score | 0.667 |
| Perplexity | 41.518 |