| before becoming an immigration station | 5 | temporal |
| island → have → fort | 9 |
| island → be used as → fort | 7 |
| island → be → fort | 5 |
| island → contain → fort | 3 |
| negative | neutral | positive |
| 0.170 | 0.686 | 0.144 |
| Raw frequency | 24 |
| Normalized frequency | 0.286 |
| Modifier score | 0.500 |
| Perplexity | 329.613 |