| in the worst-case scenarios | 5 | temporal |
| anonymously | 2 | manner |
| on colon cancer | 2 | transitive-object |
| sample → be used for → research | 29 |
| sample → be used for → research purposes | 11 |
| sample → be used in → research | 9 |
| sample → be used in → research projects | 4 |
| sample → be used in → the research | 4 |
| sample → be intended for → research | 3 |
| negative | neutral | positive |
| 0.169 | 0.708 | 0.123 |
| Raw frequency | 60 |
| Normalized frequency | 0.408 |
| Modifier score | 0.900 |
| Perplexity | 66.043 |