| completely | 4 | degree |
| in 1929 | 2 | temporal |
| discovery → be made by → chance | 5 |
| discovery → happen by → chance | 4 |
| discovery → be by → chance | 3 |
| negative | neutral | positive |
| 0.064 | 0.654 | 0.282 |
| Raw frequency | 12 |
| Normalized frequency | 0.250 |
| Modifier score | 1.000 |
| Perplexity | 55.152 |