| by a reef | 6 | other |
| from pollution | 5 | other |
| through fishing | 4 | manner |
| ocean → be → protected | 33 |
| ocean → need → protection | 6 |
| ocean → provide → protection | 3 |
| negative | neutral | positive |
| 0.144 | 0.350 | 0.507 |
| Raw frequency | 42 |
| Normalized frequency | 0.520 |
| Modifier score | 0.500 |
| Perplexity | 340.906 |