| during the second world war | 12 | temporal |
| heavily | 5 | degree |
| with forts | 3 | other |
| island → be → fortified | 25 |
| island → be → garrisoned | 8 |
| negative | neutral | positive |
| 0.191 | 0.741 | 0.069 |
| Raw frequency | 33 |
| Normalized frequency | 0.330 |
| Modifier score | 0.750 |
| Perplexity | 405.130 |