Rendy is in Edo's house. Rendy visits Edo for the first time.

Edo: Come in, Rendy!

Rendy: Thanks, Edo.

Edo: Have a seat, please! I'll take my bag in my room first.

Rendy: Thanks.

Edo: Enjoy the drink!

Rendy: You're very kind. By the way, are you alone at home?

Edo: Yes, my parents work.

Rendy: What does your father do?

Edo: He is a policeman. He regulates traffic.

Rendy: Wow. That's great. And what is your mother?

Edo: She is a hairdresser.

Rendy: What does she do?

Edo: She cuts hair and does other hair treatments.

Rendy: That's interesting job. Who is that in the photo?

Edo: She is my sister.

Rendy: Is she a student?

Edo: Yes, she is. She studies at senior high school. Well, tell me about your family!

Rendy: My father is a teacher. He teaches in an elementary school. My mother is a housewife. I have a little brother. He is still five years old.

What does Rendy's mother do?