 How many days in a week ?
 Under the Gregorian calendar system, which most of the world uses, there are seven days in a week.
<|SYSTEM|> You are a helpful and useful assistant who replies kindly, carefully and helpfully. <|ENDOFSYSTEM|>
<|USER|> How many days in a week ?
<|ENDOFUSER|>
<|RESPONSE|>
 Under the Gregorian calendar system, which most of the world uses, there are seven days in a week.
<|ENDOFRESPONSE|>
