| for thousands of years | 6 | temporal |
| for toolmaking | 5 | purpose |
| for everything | 5 | purpose |
| human → use → stone | 20 |
| human → used → stone | 5 |
| negative | neutral | positive |
| 0.150 | 0.755 | 0.095 |
| Raw frequency | 25 |
| Normalized frequency | 0.419 |
| Modifier score | 0.500 |
| Perplexity | 190.208 |