| over the following weeks | 9 | temporal |
| to explain the ideas | 9 | purpose |
| for assistance | 7 | purpose |
| student → use → book | 54 |
| student → use → the book | 13 |
| student → use → this book | 11 |
| negative | neutral | positive |
| 0.131 | 0.606 | 0.263 |
| Raw frequency | 78 |
| Normalized frequency | 0.437 |
| Modifier score | 0.675 |
| Perplexity | 470.580 |