| down to 10−7 m concentration | 8 | other |
| among other things | 5 | other |
| by an advanced observation strategy | 5 | cause |
| detection → be → possible | 34 |
| detection → be made → possible | 9 |
| negative | neutral | positive |
| 0.056 | 0.591 | 0.353 |
| Raw frequency | 43 |
| Normalized frequency | 0.671 |
| Modifier score | 0.333 |
| Perplexity | 27.192 |