| in restaurants in usa | 3 | location |
| in certain countries | 3 | location |
| in america | 2 | location |
| tip → be → mandatory | 26 |
| tip → be → compulsory | 7 |
| tip → be considered → mandatory | 4 |
| negative | neutral | positive |
| 0.218 | 0.639 | 0.143 |
| Raw frequency | 37 |
| Normalized frequency | 0.418 |
| Modifier score | 1.000 |
| Perplexity | 306.334 |