| in the ratio of 1:4 | 2 | other |
| methane → contain → carbon | 11 |
| methane → be made of → carbon | 4 |
| methane → be → carbon | 4 |
| methane → be composed of → carbon | 3 |
| negative | neutral | positive |
| 0.203 | 0.674 | 0.123 |
| Raw frequency | 22 |
| Normalized frequency | 0.422 |
| Modifier score | 0.500 |
| Perplexity | 134.307 |