| at the expo | 3 | location |
| publicly | 2 | manner |
| invention → be → displayed | 10 |
| invention → be → exhibited | 9 |
| invention → be displayed in → exhibition | 3 |
| invention → be on → display | 3 |
| negative | neutral | positive |
| 0.075 | 0.660 | 0.265 |
| Raw frequency | 25 |
| Normalized frequency | 0.279 |
| Modifier score | 0.500 |
| Perplexity | 154.870 |