| Typicality: | 0.483 |
| Saliency: | 0.546 |
| underground | 6 | location |
| for future energy | 3 | purpose |
| easily | 2 | manner |
| natural gas → be → stored | 23 |
| natural gas → be held in → storage | 4 |
| natural gas → be in → storage | 3 |
| negative | neutral | positive |
| 0.174 | 0.728 | 0.098 |
| Raw frequency | 30 |
| Normalized frequency | 0.546 |
| Modifier score | 0.500 |
| Perplexity | 167.449 |