An 11-year-old girl's assertion that her school was guilty of a war crime has gone viral.
Her father, Gavin Bell (also known as author Mason Cross), revealed on Twitter that she had gone rogue on a pupil feedback form.
She criticised the policy of punishing a whole class for one person's bad behaviour - by citing the Geneva Conventions.
"Not sure if I should ground her or buy her ice cream," Mr Bell mused.
Asked what her teacher could do better, Ava Bell wrote: "Not use collective punishment as it is not fair on the many people who did nothing and under the 1949 Genva [sic] Conventions it is a war crime."
The picture showing the suggestion, handwritten in pencil, has been "liked" more than 400,000 times on Twitter.
Mr Bell, who is based in Glasgow, said his eldest child is "11 going on 47".
"I should clarify that she thinks her teacher is awesome," he added. "It's just this aspect of the educational justice system she has an issue with."
Read more at BBC