| Typicality: | 0.421 |
| Saliency: | 0.400 |
| because of the very properties | 3 | cause |
| in comets | 3 | location |
| during the 1920s | 2 | temporal |
| scientist → identify → compound | 8 |
| scientist → found → compound | 7 |
| scientist → find → compound | 6 |
| scientist → identified → compound | 5 |
| scientist → identify → the compound | 3 |
| negative | neutral | positive |
| 0.092 | 0.607 | 0.301 |
| Raw frequency | 29 |
| Normalized frequency | 0.400 |
| Modifier score | 0.500 |
| Perplexity | 227.044 |