| Typicality: | 0.434 |
| Saliency: | 0.636 |
| from cars | 4 | cause |
| in the atmosphere | 3 | location |
| from farming | 2 | other |
| acid rain → be caused by → air pollution | 7 |
| acid rain → cause → pollution | 5 |
| acid rain → be caused by → pollution | 5 |
| acid rain → be → a form of pollution | 4 |
| negative | neutral | positive |
| 0.836 | 0.144 | 0.020 |
| Raw frequency | 21 |
| Normalized frequency | 0.636 |
| Modifier score | 0.500 |
| Perplexity | 64.579 |