| very | 6 | degree |
| often | 3 | degree |
| notoriously | 2 | degree |
| piano → be → difficult | 14 |
| piano → be → difficult instrument | 5 |
| piano → be → the most difficult instrument | 4 |
| piano → be → tricky instrument | 3 |
| negative | neutral | positive |
| 0.526 | 0.381 | 0.092 |
| Raw frequency | 26 |
| Normalized frequency | 0.409 |
| Modifier score | 0.600 |
| Perplexity | 265.204 |