| at low concentrations | 3 | location |
| in the longer run | 3 | temporal |
| gas → cause → nausea | 26 |
| gas → lead to → nausea | 6 |
| gas → produce → nausea | 4 |
| negative | neutral | positive |
| 0.928 | 0.065 | 0.007 |
| Raw frequency | 36 |
| Normalized frequency | 0.446 |
| Modifier score | 0.400 |
| Perplexity | 208.007 |