| Typicality: | 0.384 |
| Saliency: | 0.315 |
| to protect the environment | 4 | purpose |
| on this day | 2 | temporal |
| pledge → be taken by → student | 6 |
| pledge → be signed by → student | 4 |
| pledge → be rendered by → student | 3 |
| negative | neutral | positive |
| 0.018 | 0.704 | 0.278 |
| Raw frequency | 13 |
| Normalized frequency | 0.315 |
| Modifier score | 0.500 |
| Perplexity | 204.413 |