| for medical and veterinary use | 12 | purpose |
| for around 50 years | 2 | temporal |
| ketamine → be → legal | 11 |
| ketamine → be → illegal | 5 |
| negative | neutral | positive |
| 0.394 | 0.480 | 0.126 |
| Raw frequency | 16 |
| Normalized frequency | 0.484 |
| Modifier score | 0.900 |
| Perplexity | 65.797 |