| Typicality: | 0.413 |
| Saliency: | 0.383 |
| in 1957 | 8 | temporal |
| on 19 april | 7 | temporal |
| successfully | 3 | manner |
| satellite → be launched by → the soviet union | 18 |
| satellite → be launched in → the ussr | 3 |
| satellite → be launched by → soviet union | 3 |
| negative | neutral | positive |
| 0.053 | 0.778 | 0.169 |
| Raw frequency | 24 |
| Normalized frequency | 0.383 |
| Modifier score | 0.500 |
| Perplexity | 61.069 |