| most probably | 11 | degree |
| often | 6 | temporal |
| with repeated vomiting | 6 | other |
| child → have → headache | 58 |
| child → experience → headache | 36 |
| child → develop → headache | 7 |
| child → get → headache | 7 |
| child → had → headache | 4 |
| child → have → severe headache | 3 |
| child → have → severe headaches | 3 |
| negative | neutral | positive |
| 0.710 | 0.262 | 0.028 |
| Raw frequency | 118 |
| Normalized frequency | 0.519 |
| Modifier score | 0.563 |
| Perplexity | 82.942 |