| in those types of containers | 3 | location |
| readily | 2 | manner |
| on board airplanes | 2 | location |
| dry ice → keep → food | 6 |
| dry ice → be used to keep → food | 5 |
| negative | neutral | positive |
| 0.037 | 0.565 | 0.398 |
| Raw frequency | 11 |
| Normalized frequency | 0.364 |
| Modifier score | 0.400 |
| Perplexity | 413.953 |