| according to customer requirements | 11 | cause |
| during the trial period | 6 | temporal |
| slightly | 5 | degree |
| machine → be → modified | 54 |
| machine → be → altered | 24 |
| machine → be → revised | 6 |
| negative | neutral | positive |
| 0.241 | 0.654 | 0.106 |
| Raw frequency | 84 |
| Normalized frequency | 0.548 |
| Modifier score | 0.800 |
| Perplexity | 124.038 |