| Typicality: | 0.402 |
| Saliency: | 0.533 |
| very | 44 | degree |
| sometimes | 13 | temporal |
| in the field of fluid dynamics | 9 | location |
| problem → be difficult to → solve | 184 |
| problem → be hard to → solve | 87 |
| problem → be difficult to → solved | 4 |
| negative | neutral | positive |
| 0.520 | 0.349 | 0.131 |
| Raw frequency | 275 |
| Normalized frequency | 0.533 |
| Modifier score | 0.536 |
| Perplexity | 19.699 |