You will be given a definition of a task first, then some input of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Sentence1: How about allenbell? Your reference number is 2SUPQQPL . Sentence2: Sure. Please book a reservation for two people, Saturday, two nights. Sentence3: There are several that meet that criteria. I can recommend the Autumn House in the East of the city. Sentence4: Thank you and goodbye. Sentence5: Autumn House is full. Can I try to reserve one of the other ones for you? Sentence6: That will work,thank you for booking it,goodbye. Sentence7: Yes, try another place as long as it is still in the cheap price range. Sentence8: Can you find me a cheap guesthouse to stay at? Sentence9: We have nine cheap guest houses. All offer free internet and free parking. Some have 0 star ratings and others have 4 stars. What sounds good to you? Sentence10: Great, I want one with 4 Stars. Question: Who has spoken the sentence 8? (A) User (B) System
Output:
Answer: (A) User