| extremely | 4 | degree |
| at certain levels | 4 | other |
| potentially | 3 | degree |
| methane → be → dangerous | 13 |
| methane → be → hazardous | 5 |
| methane → become → dangerous | 3 |
| negative | neutral | positive |
| 0.896 | 0.099 | 0.005 |
| Raw frequency | 21 |
| Normalized frequency | 0.412 |
| Modifier score | 0.500 |
| Perplexity | 73.862 |