The conversation between human and AI assistant.
[|Human|] Categorize the days of the week between weekdays and weekend.
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
[|AI|] weekdays - Monday, Tuesday, Wednesday, Thursday, Friday
weekends - Saturday, Sunday
[|Human|] 
Categorize the days of the week between weekdays and weekend.
Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday