It's good to help babysit your family members.
Sandra's mom asks her to look after her little sister while her mom goes out.
Sandra wants to answer her mother about babysitting her little sister.
Sandra agrees to look after her little sister while her mother is out.
Sandra says she can't look after her sister because she has a date that night.
Sandra's mom is proud of Sandra for being responsible and helping look after her little sister.
Sandra's mom has to pay for a babysitter and is disappointed that Sandra won't help in looking after her little sister.