| in people | 15 | location |
| in children | 12 | transitive-object |
| unfortunately | 6 | manner |
| cockroach → cause → allergy | 25 |
| cockroach → trigger → allergy | 15 |
| cockroach → be → important source of allergy | 5 |
| cockroach → aggravate → allergy | 4 |
| cockroach → be linked to → allergy | 3 |
| negative | neutral | positive |
| 0.920 | 0.076 | 0.005 |
| Raw frequency | 52 |
| Normalized frequency | 0.555 |
| Modifier score | 0.575 |
| Perplexity | 51.141 |