| in nature | 9 | location |
| often | 8 | degree |
| very | 5 | degree |
| problem → be → chronic | 195 |
| problem → become → chronic | 70 |
| problem → seem → chronic | 6 |
| problem → be become → chronic | 3 |
| negative | neutral | positive |
| 0.572 | 0.360 | 0.068 |
| Raw frequency | 274 |
| Normalized frequency | 0.533 |
| Modifier score | 0.618 |
| Perplexity | 109.343 |