| according to the statement | 9 | other |
| safely | 4 | manner |
| between two us ports | 3 | location |
| ship → be able to → operate | 38 |
| ship → can → operate | 12 |
| ship → could → operate | 7 |
| negative | neutral | positive |
| 0.107 | 0.590 | 0.302 |
| Raw frequency | 57 |
| Normalized frequency | 0.464 |
| Modifier score | 0.500 |
| Perplexity | 52.315 |