| constantly | 4 | degree |
| from the previous version | 4 | other |
| robot → be → improved | 12 |
| robot → be able to → improve | 3 |
| robot → can → improve | 3 |
| robot → be → improvement | 3 |
| negative | neutral | positive |
| 0.030 | 0.300 | 0.669 |
| Raw frequency | 21 |
| Normalized frequency | 0.368 |
| Modifier score | 0.500 |
| Perplexity | 194.907 |