| each year | 4 | temporal |
| throughout processing | 4 | temporal |
| methane → be → lost | 6 |
| methane → be lost to → the atmosphere | 4 |
| methane → gets lost in → the atmosphere | 3 |
| negative | neutral | positive |
| 0.513 | 0.460 | 0.027 |
| Raw frequency | 13 |
| Normalized frequency | 0.311 |
| Modifier score | 0.500 |
| Perplexity | 360.339 |