| Typicality: | 0.272 |
| Saliency: | 0.332 |
| over time | 3 | temporal |
| sometimes | 2 | temporal |
| in other poorly ventilated areas | 2 | location |
| carbon monoxide → build up to → dangerous levels | 6 |
| carbon monoxide → build to → dangerous levels | 6 |
| carbon monoxide → accumulate to → dangerous levels | 5 |
| negative | neutral | positive |
| 0.889 | 0.104 | 0.007 |
| Raw frequency | 17 |
| Normalized frequency | 0.332 |
| Modifier score | 0.400 |
| Perplexity | 11.909 |