| separately | 15 | manner |
| after the designated textbook availability date | 6 | temporal |
| from kindle | 5 | other |
| textbook → be → purchased | 75 |
| textbook → be → bought | 14 |
| negative | neutral | positive |
| 0.134 | 0.721 | 0.145 |
| Raw frequency | 89 |
| Normalized frequency | 0.711 |
| Modifier score | 0.725 |
| Perplexity | 476.774 |