| properly | 4 | degree |
| without using fossil fuel inputs | 4 | other |
| in several ways | 3 | manner |
| hydrogen → be → prepared | 8 |
| hydrogen → be → handled | 6 |
| negative | neutral | positive |
| 0.113 | 0.568 | 0.319 |
| Raw frequency | 14 |
| Normalized frequency | 0.286 |
| Modifier score | 0.900 |
| Perplexity | 164.411 |