| in suppressing fires | 8 | other |
| highly | 6 | degree |
| in 87% of fires | 4 | location |
| sprinkler → be → effective | 31 |
| sprinkler → be → more efficient | 4 |
| sprinkler → be → efficient | 3 |
| sprinkler → be → most effective | 3 |
| negative | neutral | positive |
| 0.051 | 0.377 | 0.572 |
| Raw frequency | 41 |
| Normalized frequency | 0.742 |
| Modifier score | 0.500 |
| Perplexity | 67.001 |