| on delivery | 22 | temporal |
| from the authorised sender | 4 | other |
| on receipt | 3 | temporal |
| carrier → require → signature | 25 |
| carrier → obtain → signature | 11 |
| carrier → have → signature | 4 |
| negative | neutral | positive |
| 0.119 | 0.801 | 0.081 |
| Raw frequency | 40 |
| Normalized frequency | 0.451 |
| Modifier score | 0.900 |
| Perplexity | 251.234 |