| upon corruption | 4 | other |
| to drug companies | 4 | transitive-object |
| for clinical practice | 3 | purpose |
| trial → be → valuable | 13 |
| trial → be → invaluable | 5 |
| trial → be → valuable check | 4 |
| negative | neutral | positive |
| 0.070 | 0.458 | 0.472 |
| Raw frequency | 22 |
| Normalized frequency | 0.320 |
| Modifier score | 0.500 |
| Perplexity | 164.863 |