| to find food | 12 | purpose |
| to communicate | 10 | purpose |
| for communication | 9 | purpose |
| whale → use → sound | 26 |
| whale → rely on → sound | 13 |
| whale → depend on → sound | 11 |
| whale → be sensitive to → sound | 3 |
| negative | neutral | positive |
| 0.227 | 0.672 | 0.101 |
| Raw frequency | 53 |
| Normalized frequency | 0.497 |
| Modifier score | 0.500 |
| Perplexity | 166.397 |