| to start in the first place | 10 | purpose |
| very | 8 | degree |
| a little | 4 | degree |
| engine → be → difficult | 36 |
| engine → be → tricky | 7 |
| engine → be → challenge | 6 |
| engine → be → challenging | 4 |
| negative | neutral | positive |
| 0.470 | 0.434 | 0.096 |
| Raw frequency | 53 |
| Normalized frequency | 0.464 |
| Modifier score | 0.567 |
| Perplexity | 387.128 |