Sisters: A knock at the door

Ashley and Brittany were discussing what to do, while Jade and Sarah were sitting on the couch across from them quietly discussing how annoying their sisters are. They had all sat there talking around 4:30 pm (the time it always got dark in the town the 4 girls lived in). There was a knock at the door, Brittany went to answer it but first she tried to see who is was,but she was unsuccessful it was to dark to see the person so she opened the door anyway and it was......