| through the ages | 9 | temporal |
| in europe | 4 | location |
| historically | 2 | temporal |
| opal → symbolize → hope | 16 |
| opal → symbolized → hope | 7 |
| opal → symbolise → hope | 5 |
| opal → be → a symbol of hope | 4 |
| negative | neutral | positive |
| 0.012 | 0.330 | 0.657 |
| Raw frequency | 32 |
| Normalized frequency | 0.685 |
| Modifier score | 0.500 |
| Perplexity | 116.037 |