| Typicality: | 0.561 |
| Saliency: | 0.933 |
| like carbon dioxide | 13 | other |
| in the atmosphere | 8 | location |
| with a global warming potential | 6 | other |
| methane → be → a greenhouse gas | 215 |
| methane → be → greenhouse gases | 11 |
| methane → act as → a greenhouse gas | 7 |
| methane → be → one of the greenhouse gases | 6 |
| methane → be → greenhouse | 3 |
| methane → be → another greenhouse gas | 3 |
| negative | neutral | positive |
| 0.537 | 0.401 | 0.062 |
| Raw frequency | 245 |
| Normalized frequency | 0.933 |
| Modifier score | 0.500 |
| Perplexity | 13.359 |