| from overuse or severe climatic conditions | 2 | cause |
| for competition | 2 | purpose |
| for play | 2 | purpose |
| field → be → unsafe | 9 |
| field → become → unsafe | 3 |
| negative | neutral | positive |
| 0.795 | 0.187 | 0.018 |
| Raw frequency | 12 |
| Normalized frequency | 0.236 |
| Modifier score | 0.500 |
| Perplexity | 431.388 |