| in natural gas lines | 4 | location |
| at ordinary temperatures | 2 | temporal |
| fuel → be → solid | 17 |
| fuel → be → a solid | 8 |
| fuel → be → solidified | 5 |
| fuel → be in → solid form | 5 |
| fuel → turn → solid | 3 |
| negative | neutral | positive |
| 0.214 | 0.651 | 0.136 |
| Raw frequency | 38 |
| Normalized frequency | 0.493 |
| Modifier score | 0.850 |
| Perplexity | 326.787 |