| on board | 7 | location |
| at the canteen coach | 2 | location |
| through the screen | 2 | manner |
| passenger → buy → food | 25 |
| passenger → purchase → food | 8 |
| negative | neutral | positive |
| 0.032 | 0.714 | 0.254 |
| Raw frequency | 33 |
| Normalized frequency | 0.405 |
| Modifier score | 0.300 |
| Perplexity | 76.980 |