| at both ends | 10 | location |
| completely | 4 | degree |
| of an enclosed tunnel | 2 | location |
| scanner → be → open | 21 |
| scanner → be → opened | 4 |
| negative | neutral | positive |
| 0.096 | 0.560 | 0.344 |
| Raw frequency | 25 |
| Normalized frequency | 0.556 |
| Modifier score | 0.500 |
| Perplexity | 223.500 |