Definition: In this task, you will be shown an extract from a movie plot. You need to read the extract and create questions that can be answered from the extract. Once you create a question you also need to provide the correct answer for it. Write your answer like "Question: your question, Answer: your answer". The questions should be well-formed and grammatically correct. The questions should be completely answerable from the given passage and should not require any external knowledge. Subjective questions are not allowed. Short answers containing words that are present in the passage are preferred. Create questions that result in factoid answers. A simple rule of thumb to decide whether a question is a factoid or not is to see if two different people with average reading/comprehension skills would come up with the same answer after reading the passage.
Input: The prequel to the popular character, Laughing Gor (Michael Tse) in the highly rated TVB drama series Emergency Unit. This movie tells the story of Laughing and before he join the police force has a dark background as member of a tried under Chou (Anthony Wong). Chou was the leader of the triad and persuaded Laughing to join the police force as an undercover for the triad to spy on police activities. While in the police academy, Laughing excel but not well enough to be confirm as a police officer. Instead he was recruited to be an undercover agent to spy on some illegal activities. Laughing now maintains the life as a double undercover agent, with crucial information from two sides. But an incident disturbs the balance of the two identities and threatens to blow his cover. With both the triad and police force suspicious of his loyalty, Laughing does not know who he can trust to save him.
Output:
Question: What is this a prequel to?, Answer: Emergency Unit