| Typicality: | 0.283 |
| Saliency: | 0.079 |
| over the past three billion years | 4 | temporal |
| reversal → happened → at least hundreds of times | 4 |
| negative | neutral | positive |
| 0.094 | 0.844 | 0.062 |
| Raw frequency | 4 |
| Normalized frequency | 0.079 |
| Modifier score | 0.500 |
| Perplexity | 34.285 |