| to success | 13 | purpose |
| at a significant advantage | 8 | manner |
| to the probe | 8 | transitive-object |
| problem → be → key | 57 |
| problem → be → the key | 30 |
| problem → be → key issue | 5 |
| negative | neutral | positive |
| 0.276 | 0.441 | 0.282 |
| Raw frequency | 92 |
| Normalized frequency | 0.404 |
| Modifier score | 0.983 |
| Perplexity | 140.830 |