| for undertaking this activity | 7 | other |
| to volunteers | 4 | transitive-object |
| board → be → grateful | 7 |
| board → express → its gratitude | 3 |
| negative | neutral | positive |
| 0.024 | 0.101 | 0.875 |
| Raw frequency | 10 |
| Normalized frequency | 0.260 |
| Modifier score | 0.500 |
| Perplexity | 374.077 |