| to the future of storage | 21 | transitive-object |
| to reducing oil consumption | 5 | purpose |
| to reversing the income declines | 4 | transitive-object |
| policy → be → key | 60 |
| policy → be → the key | 11 |
| policy → hold → the key | 4 |
| negative | neutral | positive |
| 0.067 | 0.503 | 0.429 |
| Raw frequency | 75 |
| Normalized frequency | 0.465 |
| Modifier score | 0.500 |
| Perplexity | 57.986 |