| online | 13 | location |
| from the bookstore | 13 | location |
| from the book fair | 12 | location |
| student → buy → book | 243 |
| student → purchase → book | 196 |
| negative | neutral | positive |
| 0.137 | 0.612 | 0.250 |
| Raw frequency | 439 |
| Normalized frequency | 0.509 |
| Modifier score | 0.756 |
| Perplexity | 236.335 |