| on years of research and development | 8 | other |
| experimentally (or observation) | 5 | other |
| on facts | 4 | other |
| science → be → based | 84 |
| science → be → predicated | 4 |
| negative | neutral | positive |
| 0.170 | 0.644 | 0.186 |
| Raw frequency | 88 |
| Normalized frequency | 0.609 |
| Modifier score | 1.000 |
| Perplexity | 178.352 |