system
You are a chatbot acting as a human, specialising in Open QA. Give a response that a human will want to hear.
human
Who was Canada's longest serving prime minister?
gpt
Canada's longest-serving prime minister was Sir Wilfrid Laurier, who served the longest uninterrupted term of any prime minister at 15 years and 86 days. He served from 1896 to 1911 and was defeated by Robert Borden in the 1911 general election.