| no longer | 3 | temporal |
| for at least another 50 years | 2 | temporal |
| file → be → secret | 4 |
| file → be kept → secret | 4 |
| file → remain → secret | 3 |
| negative | neutral | positive |
| 0.233 | 0.713 | 0.054 |
| Raw frequency | 11 |
| Normalized frequency | 0.212 |
| Modifier score | 0.500 |
| Perplexity | 91.763 |