| in keeping a small vegetable garden | 6 | other |
| for 6-7 hours | 6 | temporal |
| in assisting the displaced population | 5 | temporal |
| volunteer → be → engaged | 38 |
| volunteer → be → engaging | 5 |
| volunteer → be engaged in → work | 3 |
| negative | neutral | positive |
| 0.031 | 0.433 | 0.536 |
| Raw frequency | 46 |
| Normalized frequency | 0.508 |
| Modifier score | 0.667 |
| Perplexity | 35.032 |