| in other words | 5 | other |
| in salmonella’s dna | 2 | location |
| to chemicals | 2 | cause |
| chemical → cause → mutation | 11 |
| chemical → cause → genetic mutations | 4 |
| chemical → induce → mutation | 3 |
| negative | neutral | positive |
| 0.665 | 0.323 | 0.013 |
| Raw frequency | 18 |
| Normalized frequency | 0.298 |
| Modifier score | 0.500 |
| Perplexity | 117.175 |