Dialog 1: Mrs. Rianti notices that Erlin does not prepare her drink Mrs.Rianti: Why don't you prepare your drink, Erlin? Erlin: it's still untouched, Mom. Mrs.R

Dialog 1:
Mrs. Rianti notices that Erlin does not prepare her drink
Mrs.Rianti: Why don't you prepare your drink, Erlin?
Erlin: it's still untouched, Mom.
Mrs.Rianti: What? Didn't you drink it yesterday?
Erlin: No, I didn't, Mom. I bought bottled tea at school.
Mrs.Rianti: Dear, you must drink a lot of water during the dry season. Otherwise, you'll be dehydrated.
Erlin: Mom, I will go to the toilet very often if I drink lots of water.
Mrs.Rianti: That's no big deal. Drinking a lot of water will keep you fresh and healthy.
Erlin: O.K., Mom

Question:
1. When do you think the dialog probably take place
2. What is Erlin doing in the moment?
3. What did Erlin drink yesterday?
4. What does Erlin's mother ask Erlin to do
5. Why does Erlin ignore drinking a lot of water