| to measure the ambient air data | 8 | purpose |
| to master | 7 | purpose |
| on a wall | 5 | location |
| device → take → time | 36 |
| device → take → some time | 28 |
| negative | neutral | positive |
| 0.256 | 0.563 | 0.181 |
| Raw frequency | 64 |
| Normalized frequency | 0.409 |
| Modifier score | 0.650 |
| Perplexity | 404.413 |