| sometimes | 6 | temporal |
| in severe cases | 3 | temporal |
| fortunately | 2 | manner |
| scoliosis → require → surgery | 9 |
| scoliosis → be treated with → surgery | 6 |
| scoliosis → require → surgical intervention | 4 |
| negative | neutral | positive |
| 0.383 | 0.515 | 0.101 |
| Raw frequency | 19 |
| Normalized frequency | 0.449 |
| Modifier score | 0.563 |
| Perplexity | 47.408 |