| Typicality: | 0.419 |
| Saliency: | 0.169 |
| in port arthur | 2 | location |
| to improve stability | 2 | purpose |
| vessel → take on → ballast water | 4 |
| vessel → discharge → ballast water | 3 |
| negative | neutral | positive |
| 0.308 | 0.601 | 0.091 |
| Raw frequency | 7 |
| Normalized frequency | 0.169 |
| Modifier score | 0.800 |
| Perplexity | 163.660 |