| to correct this painful injury | 20 | purpose |
| to remove it | 18 | purpose |
| sometimes | 17 | temporal |
| dog → need → surgery | 187 |
| dog → require → surgery | 117 |
| dog → need → operation | 8 |
| negative | neutral | positive |
| 0.562 | 0.383 | 0.055 |
| Raw frequency | 312 |
| Normalized frequency | 0.644 |
| Modifier score | 0.693 |
| Perplexity | 247.639 |