| to make a 2afc response | 9 | purpose |
| to indicate | 6 | purpose |
| simply | 2 | manner |
| observer → press → key | 20 |
| observer → press → one of two keys | 6 |
| negative | neutral | positive |
| 0.078 | 0.865 | 0.056 |
| Raw frequency | 26 |
| Normalized frequency | 0.505 |
| Modifier score | 0.500 |
| Perplexity | 396.865 |