Sarah: What is the best way to lose weight?
Sarah: I need to loose 15 kg after the pregnancy
Kimberly: Do some sports!
Gerda: And a diet
Gerda: Eat healthy
Amanda: The only way to lose weight is to burn more calories that you consume
Sarah: How many calories should I eat?
Sarah: And how can I count them
Sarah: I was never on a diet... 
Sarah wants to lose 15 kg after pregnancy. She was advised to do sports and go on a diet.