| directly | 3 | manner |
| especially | 2 | other |
| expense → be related to → education | 45 |
| expense → be related to → self-education | 5 |
| expense → be related to → educational activity | 3 |
| expense → relate to → education | 3 |
| negative | neutral | positive |
| 0.179 | 0.708 | 0.113 |
| Raw frequency | 56 |
| Normalized frequency | 0.480 |
| Modifier score | 0.900 |
| Perplexity | 51.047 |