| because of an error | 15 | cause |
| during the period | 8 | temporal |
| from the vertoz rates | 8 | other |
| rate → be → charged | 311 |
| rate → be → charge | 19 |
| negative | neutral | positive |
| 0.194 | 0.748 | 0.058 |
| Raw frequency | 330 |
| Normalized frequency | 0.661 |
| Modifier score | 0.575 |
| Perplexity | 138.755 |