| for the relevant academic year | 13 | temporal |
| at the time of the crash | 11 | temporal |
| in other words | 6 | other |
| proof → be → valid | 108 |
| proof → be considered → valid | 20 |
| proof → be → validated | 12 |
| proof → be → valid argument | 3 |
| negative | neutral | positive |
| 0.097 | 0.711 | 0.192 |
| Raw frequency | 143 |
| Normalized frequency | 0.707 |
| Modifier score | 0.500 |
| Perplexity | 306.557 |