| very | 14 | degree |
| on the joints | 10 | location |
| in long-term usage | 6 | temporal |
| surface → be → easy | 48 |
| surface → be easy to → use | 6 |
| surface → be easy to → reach | 4 |
| negative | neutral | positive |
| 0.065 | 0.275 | 0.660 |
| Raw frequency | 58 |
| Normalized frequency | 0.438 |
| Modifier score | 1.000 |
| Perplexity | 284.188 |