| often | 3 | temporal |
| extremely | 3 | degree |
| for more expensive extractive procedures | 2 | purpose |
| ore → be → low grade | 14 |
| ore → be of → low a grade | 12 |
| ore → be of → low grade | 6 |
| negative | neutral | positive |
| 0.471 | 0.499 | 0.030 |
| Raw frequency | 32 |
| Normalized frequency | 0.476 |
| Modifier score | 0.600 |
| Perplexity | 177.345 |