| highly | 54 | degree |
| like natural gas | 9 | other |
| like petrol | 6 | other |
| hydrogen → be → flammable | 94 |
| hydrogen → be → flammable gas | 19 |
| hydrogen → be → flammable material | 4 |
| negative | neutral | positive |
| 0.747 | 0.206 | 0.048 |
| Raw frequency | 117 |
| Normalized frequency | 0.681 |
| Modifier score | 0.500 |
| Perplexity | 12.795 |