| to success | 18 | purpose |
| to the success of our programmes | 10 | transitive-object |
| in ensuring access | 6 | purpose |
| volunteer → be → key | 24 |
| volunteer → be → the key | 16 |
| negative | neutral | positive |
| 0.011 | 0.253 | 0.736 |
| Raw frequency | 40 |
| Normalized frequency | 0.482 |
| Modifier score | 0.800 |
| Perplexity | 12.517 |