| to do research | 5 | purpose |
| for their students | 2 | transitive-object |
| constantly | 2 | temporal |
| librarian → find → book | 13 |
| librarian → search for → book | 5 |
| librarian → look for → book | 4 |
| negative | neutral | positive |
| 0.188 | 0.406 | 0.406 |
| Raw frequency | 22 |
| Normalized frequency | 0.560 |
| Modifier score | 0.667 |
| Perplexity | 50.881 |