| Typicality: | 0.556 |
| Saliency: | 0.362 |
| currently | 2 | temporal |
| from fossil fuels | 2 | other |
| hydrogen → be produced in → the united states | 15 |
| hydrogen → be produced in → the u.s. | 3 |
| hydrogen → be produced in → the us | 3 |
| negative | neutral | positive |
| 0.155 | 0.780 | 0.064 |
| Raw frequency | 21 |
| Normalized frequency | 0.362 |
| Modifier score | 0.967 |
| Perplexity | 137.660 |