| Typicality: | 0.327 |
| Saliency: | 0.387 |
| by producing oxygen | 6 | manner |
| at a time | 5 | temporal |
| tree → improve → air quality | 39 |
| tree → help improve → air quality | 7 |
| tree → improve → our air quality | 4 |
| tree → improve → the quality of the air | 3 |
| negative | neutral | positive |
| 0.023 | 0.247 | 0.730 |
| Raw frequency | 53 |
| Normalized frequency | 0.387 |
| Modifier score | 0.500 |
| Perplexity | 132.865 |