| Typicality: | 0.359 |
| Saliency: | 0.256 |
| since 2007 | 4 | temporal |
| to extract natural gas | 3 | purpose |
| well → be drilled in → pennsylvania | 13 |
| negative | neutral | positive |
| 0.217 | 0.721 | 0.062 |
| Raw frequency | 13 |
| Normalized frequency | 0.256 |
| Modifier score | 0.500 |
| Perplexity | 9.283 |