article: My name is Helen. I'm seven. Dale is my brother. He's eleven. We are in the same school.
  My mother is a teacher. She teaches English. She is a teacher in our school.
  My father is a doctor in a big hospital. I have a dog. Its name is Ben. We are good friends.
question: Dale, Helen and their mother are   _  .
options: in the same school students at home friends