Loan is twelve years old. She is in grade 6. She lives in a house in the city with her mother, father and sister. Their house is next to a bookstore. In the neighborhood, there is a restaurant, a market and a stadium. Loan’s father works in the restaurant.Her mother works in the market. Loan goes to school at six fifteen in the morning. She has classes from six forty-five to eleven. How many people are there in Loan’s family?