| to meet their requests | 6 | purpose |
| as per the procedure | 4 | manner |
| often | 2 | temporal |
| librarian → buy → book | 10 |
| librarian → purchase → book | 7 |
| librarian → purchase → material | 4 |
| negative | neutral | positive |
| 0.112 | 0.688 | 0.200 |
| Raw frequency | 21 |
| Normalized frequency | 0.547 |
| Modifier score | 0.600 |
| Perplexity | 63.275 |