ZapFicMonday Zapfic240 write a story using in 240 characters or less

It is ZapFicMonday ZapFic240 characters or less prompt "petty"
Sara and Aisha were best friends and class fellow, but one day they petty on a common issue, the pencil was broken by Sara. Several days they did not taking each other. Later Sara was realize that, friendship was more than small problem.