| Typicality: | 0.303 |
| Saliency: | 0.329 |
| to strengthen maritime security | 6 | purpose |
| in order to address the key challenges | 6 | purpose |
| with the united states | 5 | transitive-object |
| japan → increase → cooperation | 9 |
| japan → enhance → cooperation | 6 |
| japan → step up → cooperation | 3 |
| negative | neutral | positive |
| 0.033 | 0.448 | 0.519 |
| Raw frequency | 18 |
| Normalized frequency | 0.329 |
| Modifier score | 0.500 |
| Perplexity | 98.178 |