| typically | 7 | degree |
| during a flue gas desulfurization process | 2 | temporal |
| gypsum → be → formed | 11 |
| gypsum → occur as → consequence | 3 |
| gypsum → occur as → layer | 3 |
| gypsum → take → form | 3 |
| negative | neutral | positive |
| 0.074 | 0.789 | 0.137 |
| Raw frequency | 20 |
| Normalized frequency | 0.587 |
| Modifier score | 0.857 |
| Perplexity | 34.888 |