Busy Sisters

Riddle: All 5 sisters are busy. Ann is reading, Rose is cooking, Katie is playing chess and Mary is doing laundry. What is the fifth sister doing?

Answer: She is playing chess with Katie. Source: https://riddles.com/6775

All 5 sisters are busy. Ann is reading, Rose is cooking, Katie is playing chess and Mary is doing laundry. What is the fifth sister doing? — Busy Sisters by Musiclover333 Riddle