| always | 5 | degree |
| in the region | 2 | location |
| for europe | 2 | location |
| port → be → strategic | 4 |
| port → have → strategic importance | 4 |
| port → retain → strategic and economic importance | 3 |
| negative | neutral | positive |
| 0.059 | 0.445 | 0.496 |
| Raw frequency | 11 |
| Normalized frequency | 0.208 |
| Modifier score | 1.000 |
| Perplexity | 285.591 |