| Typicality: | 0.458 |
| Saliency: | 0.488 |
| for the production of chemicals | 10 | purpose |
| as fuel | 4 | manner |
| widely | 2 | degree |
| methane → be used as → an energy source | 7 |
| methane → be used as → a source of energy | 6 |
| methane → be used for → energy production | 6 |
| methane → be used for → energy | 4 |
| methane → be used to produce → energy | 4 |
| methane → be → an energy source | 3 |
| negative | neutral | positive |
| 0.251 | 0.621 | 0.127 |
| Raw frequency | 30 |
| Normalized frequency | 0.488 |
| Modifier score | 0.500 |
| Perplexity | 18.186 |