| from the outside | 4 | transitive-object |
| to mix with the fuel | 3 | purpose |
| engine → need → air | 9 |
| engine → use → air | 4 |
| engine → be → air | 3 |
| negative | neutral | positive |
| 0.215 | 0.700 | 0.086 |
| Raw frequency | 16 |
| Normalized frequency | 0.291 |
| Modifier score | 0.000 |
| Perplexity | 127.466 |