| due to sludge | 11 | cause |
| completely | 7 | degree |
| due to a blown head gasket | 6 | cause |
| engine → be → replaced | 296 |
| engine → be → replacement | 6 |
| negative | neutral | positive |
| 0.505 | 0.442 | 0.053 |
| Raw frequency | 302 |
| Normalized frequency | 0.801 |
| Modifier score | 0.567 |
| Perplexity | 128.389 |