| Typicality: | 0.348 |
| Saliency: | 0.229 |
| from exhaust gas | 7 | transitive-object |
| at low temperatures | 2 | temporal |
| in the presence of nh3 | 2 | temporal |
| catalyst → be used to remove → nox | 4 |
| catalyst → remove → nox | 4 |
| negative | neutral | positive |
| 0.033 | 0.658 | 0.309 |
| Raw frequency | 8 |
| Normalized frequency | 0.229 |
| Modifier score | 0.500 |
| Perplexity | 117.528 |