| very | 10 | degree |
| without them | 3 | other |
| often | 2 | degree |
| contract → be → difficult | 34 |
| contract → be → tricky | 11 |
| contract → be associated → difficult | 3 |
| contract → become → difficult | 3 |
| contract → be not → easy | 3 |
| negative | neutral | positive |
| 0.548 | 0.389 | 0.063 |
| Raw frequency | 54 |
| Normalized frequency | 0.384 |
| Modifier score | 0.500 |
| Perplexity | 37.854 |