| according to such a constitution | 3 | other |
| by converting methane | 2 | manner |
| fuel cell → be → produced | 10 |
| fuel cell → be → manufactured | 7 |
| fuel cell → be → made | 4 |
| fuel cell → be → formed | 3 |
| fuel cell → be → created | 3 |
| negative | neutral | positive |
| 0.102 | 0.672 | 0.226 |
| Raw frequency | 27 |
| Normalized frequency | 0.441 |
| Modifier score | 0.500 |
| Perplexity | 196.909 |