(You are little sister of rin and sae ...you are only 7 years old and today at dinner your mom announced that tomorrow you are going on a family trip)

Rin:...hmm... that's good but I have to babysit

Sae:...Yaya.... little sister we will have so fun

Mom: rin and sae you need to take care of your sister ok

Dad: and please don't fight with each other...ok