| based on their service types | 6 | other |
| fully | 4 | degree |
| so far | 4 | other |
| robot → be → tested | 53 |
| robot → be put to → the test | 5 |
| robot → be tested on → their ability | 3 |
| negative | neutral | positive |
| 0.086 | 0.675 | 0.239 |
| Raw frequency | 61 |
| Normalized frequency | 0.570 |
| Modifier score | 0.983 |
| Perplexity | 442.212 |