| for our survival | 11 | purpose |
| for the future of america | 9 | purpose |
| clearly | 6 | degree |
| science → be → necessary | 88 |
| science → be → need | 14 |
| science → be → imperative | 7 |
| science → be → necessity | 6 |
| science → be → necessary condition | 4 |
| science → have → need | 4 |
| negative | neutral | positive |
| 0.152 | 0.576 | 0.272 |
| Raw frequency | 123 |
| Normalized frequency | 0.669 |
| Modifier score | 0.671 |
| Perplexity | 89.733 |