| to the letter of inquiry | 12 | other |
| to your advertisement | 6 | other |
| for the post of onsite engineer | 5 | purpose |
| letter → be in → reference | 38 |
| letter → be with → reference | 7 |
| negative | neutral | positive |
| 0.101 | 0.849 | 0.050 |
| Raw frequency | 45 |
| Normalized frequency | 0.360 |
| Modifier score | 0.500 |
| Perplexity | 134.287 |