| with a sole unit | 5 | other |
| with improved flexibility | 2 | other |
| invention → relate to → shoe | 7 |
| invention → include → shoe | 4 |
| invention → provide → shoe | 3 |
| invention → disclose → shoe | 3 |
| negative | neutral | positive |
| 0.013 | 0.636 | 0.351 |
| Raw frequency | 17 |
| Normalized frequency | 0.228 |
| Modifier score | 0.500 |
| Perplexity | 106.640 |