| substantially | 4 | degree |
| inward | 3 | manner |
| spherically | 3 | degree |
| lens → be → concave | 34 |
| lens → have → concave surface | 4 |
| lens → have → concave reflection surface | 3 |
| lens → have → concave curvature | 3 |
| negative | neutral | positive |
| 0.082 | 0.802 | 0.117 |
| Raw frequency | 44 |
| Normalized frequency | 0.432 |
| Modifier score | 0.500 |
| Perplexity | 157.556 |