| very | 124 | degree |
| extremely | 51 | degree |
| often | 45 | degree |
| problem → be → complex | 1699 |
| problem → be → complex one | 32 |
| problem → be considered → complex | 8 |
| problem → be → complexed | 4 |
| problem → be → complex problems | 4 |
| problem → involve → complex | 3 |
| negative | neutral | positive |
| 0.428 | 0.440 | 0.133 |
| Raw frequency | 1750 |
| Normalized frequency | 0.752 |
| Modifier score | 0.673 |
| Perplexity | 63.730 |