| Typicality: | 0.525 |
| Saliency: | 0.645 |
| in the late 1990s | 9 | temporal |
| for thousands of black holes | 7 | location |
| for hundreds | 4 | other |
| astronomer → find → evidence | 27 |
| astronomer → found → evidence | 21 |
| astronomer → have → evidence | 4 |
| astronomer → seen → evidence | 3 |
| astronomer → discover → evidence | 3 |
| astronomer → provide → evidence | 3 |
| negative | neutral | positive |
| 0.051 | 0.715 | 0.235 |
| Raw frequency | 61 |
| Normalized frequency | 0.645 |
| Modifier score | 0.500 |
| Perplexity | 47.889 |