| to stay lubricated | 5 | purpose |
| to keep the moving parts | 4 | purpose |
| inevitably | 2 | degree |
| engine → use → oil | 15 |
| engine → need → oil | 13 |
| engine → use → some oil | 4 |
| engine → require → oil | 3 |
| negative | neutral | positive |
| 0.293 | 0.550 | 0.157 |
| Raw frequency | 35 |
| Normalized frequency | 0.426 |
| Modifier score | 0.750 |
| Perplexity | 263.068 |