| for the environment | 4 | purpose |
| really | 3 | degree |
| as petroleum | 3 | other |
| ethanol → be → good | 11 |
| ethanol → be → great | 6 |
| ethanol → be → good thing | 4 |
| negative | neutral | positive |
| 0.156 | 0.331 | 0.513 |
| Raw frequency | 21 |
| Normalized frequency | 0.403 |
| Modifier score | 0.500 |
| Perplexity | 141.108 |