Reading (1): Mr. Hashemi is from Tehran but he and his family live in Arak. He is a doctor. He works in a clinic. He has one daughter and two sons. His sons are students. Their names are Erfan and Iman. His daughter is just five years old and she doesn't go to school. She is a little shy. Their mother is an employee. She is very hard-working.She works in a company. Now, they are packing for a trip. They like Sari a lot but Sari is very cold in fall. So, they are going to Ahvaz. They want to stay in a hotel. According Reading (1): There are ............. people in Mr. Hashemi's family.