| in the case of replacement | 7 | other |
| very | 3 | degree |
| tank → be → efficient | 15 |
| tank → be → more efficient | 5 |
| tank → be made → efficient | 3 |
| negative | neutral | positive |
| 0.084 | 0.399 | 0.517 |
| Raw frequency | 23 |
| Normalized frequency | 0.327 |
| Modifier score | 1.000 |
| Perplexity | 436.965 |