| very | 3 | degree |
| constantly | 3 | degree |
| hours later | 2 | temporal |
| volunteer → be → rewarded | 14 |
| volunteer → be → rewarding | 4 |
| volunteer → get → reward | 3 |
| negative | neutral | positive |
| 0.093 | 0.294 | 0.613 |
| Raw frequency | 21 |
| Normalized frequency | 0.362 |
| Modifier score | 0.800 |
| Perplexity | 29.789 |