| to a person | 47 | other |
| at the time | 29 | temporal |
| to those skilled | 27 | other |
| invention → be → obvious | 557 |
| invention → be considered → obvious | 13 |
| invention → seem → obvious | 11 |
| invention → be deemed → obvious | 8 |
| invention → be found → obvious | 6 |
| invention → be rendered → obvious | 4 |
| invention → be determined to be → obvious | 4 |
| invention → be deemed to be → obvious | 4 |
| invention → be known → obvious | 3 |
| negative | neutral | positive |
| 0.175 | 0.652 | 0.173 |
| Raw frequency | 610 |
| Normalized frequency | 0.700 |
| Modifier score | 0.824 |
| Perplexity | 357.983 |