| very | 8 | degree |
| in improving health | 8 | purpose |
| as a form of exercise | 5 | manner |
| swimming → be → effective | 29 |
| swimming → be → effective way | 9 |
| negative | neutral | positive |
| 0.012 | 0.253 | 0.735 |
| Raw frequency | 38 |
| Normalized frequency | 0.530 |
| Modifier score | 0.500 |
| Perplexity | 179.854 |