| Typicality: | 0.498 |
| Saliency: | 0.557 |
| as a gift to their students | 20 | purpose |
| to share their expertise | 13 | purpose |
| to make this weekend | 11 | purpose |
| teacher → volunteer → their time | 99 |
| teacher → donate → their time | 25 |
| teacher → offer → their time | 13 |
| teacher → volunteered → their time | 3 |
| negative | neutral | positive |
| 0.056 | 0.428 | 0.516 |
| Raw frequency | 140 |
| Normalized frequency | 0.557 |
| Modifier score | 0.800 |
| Perplexity | 43.132 |