What fake illness does Ron Weasley say he has to cover up his absence from Hogwarts?
Spattergroit
<s>[INST] <<SYS>> Answer as briefly as you can to the following question. You are required to give a one-shot answer: <</SYS>> What fake illness does Ron Weasley say he has to cover up his absence from Hogwarts? [/INST] Spattergroit </s>