| for approximately three months per year | 5 | temporal |
| during world war ii | 4 | temporal |
| for lack of profits | 4 | cause |
| mine → be → closed | 75 |
| negative | neutral | positive |
| 0.435 | 0.517 | 0.048 |
| Raw frequency | 75 |
| Normalized frequency | 0.963 |
| Modifier score | 0.689 |
| Perplexity | 164.708 |