Read the following text carefully to answer the questions no. 1-5.

MY FAMILY

    My name is Randy. l am a junior high school student. I live on Jalan Surya, Semarang Central Java.

    My father is Mr. Racmadi. He works in a hospital. He is a doctor. My mother is a teacher in high school. She teaches english.

    My parents have three children. My eldest sister, Erry, works as a nurse in a private hospital. Dian, my sister, is a student just like me. She goes to SMAN 3 Semarang.

How many children does Mr. Rahmadi have?