| to lifelong learning | 13 | transitive-object |
| for service | 5 | purpose |
| to many opportunities | 3 | transitive-object |
| knowledge → open → door | 21 |
| knowledge → open → the door | 5 |
| knowledge → open → many doors | 3 |
| negative | neutral | positive |
| 0.010 | 0.235 | 0.755 |
| Raw frequency | 29 |
| Normalized frequency | 0.377 |
| Modifier score | 1.000 |
| Perplexity | 183.277 |