| upon delivery | 48 | temporal |
| upon receipt | 8 | temporal |
| at the time of delivery | 6 | temporal |
| order → require → signature | 83 |
| order → be → a signature issue | 3 |
| negative | neutral | positive |
| 0.108 | 0.847 | 0.045 |
| Raw frequency | 86 |
| Normalized frequency | 0.425 |
| Modifier score | 0.923 |
| Perplexity | 43.306 |