| Typicality: | 0.342 |
| Saliency: | 0.216 |
| in the 1960s | 3 | temporal |
| for aerospace uses | 3 | purpose |
| foam → be developed by → nasa | 3 |
| foam → be developed for → nasa | 3 |
| foam → be produced by → nasa | 3 |
| negative | neutral | positive |
| 0.031 | 0.626 | 0.343 |
| Raw frequency | 9 |
| Normalized frequency | 0.216 |
| Modifier score | 0.500 |
| Perplexity | 181.569 |