| from oil and gas processing facilities | 7 | location |
| from sulfides | 5 | other |
| from pyrite | 4 | other |
| sulfur → be → extracted | 14 |
| sulfur → be → derived | 5 |
| sulfur → be → obtained | 3 |
| sulfur → be → sourced | 3 |
| negative | neutral | positive |
| 0.134 | 0.793 | 0.073 |
| Raw frequency | 25 |
| Normalized frequency | 0.550 |
| Modifier score | 0.900 |
| Perplexity | 85.075 |