| on the ground level | 3 | location |
| aquarium → have → tunnel | 4 |
| aquarium → feature → tunnel | 3 |
| aquarium → have → underwater tunnel | 3 |
| negative | neutral | positive |
| 0.019 | 0.521 | 0.460 |
| Raw frequency | 10 |
| Normalized frequency | 0.277 |
| Modifier score | 0.500 |
| Perplexity | 380.176 |