| fully | 9 | degree |
| under a rule | 6 | other |
| purely | 5 | degree |
| bus → be → electric | 50 |
| bus → be powered by → electricity | 21 |
| bus → run on → electric power | 4 |
| negative | neutral | positive |
| 0.056 | 0.557 | 0.386 |
| Raw frequency | 75 |
| Normalized frequency | 0.565 |
| Modifier score | 0.967 |
| Perplexity | 264.545 |