| mostly | 4 | degree |
| illegally | 3 | manner |
| by de beers | 2 | other |
| diamond → be found in → africa | 19 |
| diamond → be mined in → africa | 13 |
| diamond → be mined in → african countries | 3 |
| diamond → be obtained in → several african countries | 3 |
| negative | neutral | positive |
| 0.126 | 0.780 | 0.095 |
| Raw frequency | 38 |
| Normalized frequency | 0.406 |
| Modifier score | 0.873 |
| Perplexity | 71.848 |