| to prevent problems | 11 | purpose |
| to protect their families | 10 | purpose |
| toward invisibility | 8 | purpose |
| scientist → take → step | 54 |
| scientist → taken → step | 21 |
| negative | neutral | positive |
| 0.121 | 0.591 | 0.287 |
| Raw frequency | 75 |
| Normalized frequency | 0.568 |
| Modifier score | 0.800 |
| Perplexity | 393.741 |