| Typicality: | 0.394 |
| Saliency: | 0.338 |
| to take steps | 9 | purpose |
| to issue such patent | 4 | purpose |
| to study areas | 4 | purpose |
| act → authorize → the secretary of the interior | 24 |
| act → permit → the secretary of the interior | 4 |
| act → require → the secretary of interior | 3 |
| negative | neutral | positive |
| 0.113 | 0.810 | 0.077 |
| Raw frequency | 31 |
| Normalized frequency | 0.338 |
| Modifier score | 0.500 |
| Perplexity | 32.551 |