Puzzle - Rate
On the island of Delzzup there are two types of inhabitants, knaves and knights.
Knaves always lie and knights always tell the truth.
Dave was having lunch with Darren but wasn't sure whether he was a knave or knight.
Dave decided to test Darren by asking him to ask the waiter whether he was a knave or a knight.
Darren said that the waiter had said that he was a knight.
Can you work out if Darren is a knave or a knight?