| on the end | 7 | location |
| in a way | 5 | manner |
| to reduce friction | 3 | purpose |
| robot → have → wheel | 31 |
| robot → use → wheel | 16 |
| robot → be equipped with → wheel | 6 |
| robot → include → wheel | 4 |
| robot → get → wheel | 3 |
| negative | neutral | positive |
| 0.097 | 0.748 | 0.156 |
| Raw frequency | 60 |
| Normalized frequency | 0.566 |
| Modifier score | 0.857 |
| Perplexity | 427.105 |