| for students | 11 | transitive-object |
| very | 9 | degree |
| to the trip’s success | 7 | transitive-object |
| backpack → be → essential | 24 |
| backpack → be → must | 14 |
| backpack → be → important | 14 |
| backpack → be → necessity | 6 |
| backpack → be → an essential | 4 |
| backpack → be filled with → necessity | 4 |
| backpack → be → essential item | 3 |
| backpack → be → critical | 3 |
| backpack → be → a must-have | 3 |
| negative | neutral | positive |
| 0.046 | 0.394 | 0.561 |
| Raw frequency | 75 |
| Normalized frequency | 0.677 |
| Modifier score | 1.000 |
| Perplexity | 262.238 |