| during the night | 4 | temporal |
| usually | 4 | degree |
| in inclement weather | 2 | location |
| tower → be → useless | 10 |
| tower → be → ineffective | 3 |
| negative | neutral | positive |
| 0.526 | 0.383 | 0.091 |
| Raw frequency | 13 |
| Normalized frequency | 0.234 |
| Modifier score | 0.650 |
| Perplexity | 490.313 |