| relatively | 27 | degree |
| to be transportable | 8 | purpose |
| of the environment | 6 | other |
| fuel → be → cheap | 106 |
| fuel → be → inexpensive | 21 |
| fuel → be → affordable | 14 |
| negative | neutral | positive |
| 0.098 | 0.385 | 0.517 |
| Raw frequency | 141 |
| Normalized frequency | 0.747 |
| Modifier score | 0.900 |
| Perplexity | 76.302 |