| Typicality: | 0.283 |
| Saliency: | 0.284 |
| in treating depression | 3 | other |
| for preemptive effect | 2 | purpose |
| ketamine → be → ineffective | 5 |
| ketamine → be not → cure | 3 |
| negative | neutral | positive |
| 0.675 | 0.290 | 0.035 |
| Raw frequency | 8 |
| Normalized frequency | 0.284 |
| Modifier score | 0.500 |
| Perplexity | 68.224 |