Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Either one is fine, but I would like it to have 4 stars. It doesn't need to have free parking. Sentence2: That's all I needed today. Thanks so much for your help! Sentence3: Cheap is fine. Sentence4: I would love to help you! There are 7 options in the East. Would you like a hotel or a guesthouse? Sentence5: I'm looking for lodgings on the east side. Sentence6: I have 6 guesthouses in the east with 4 stars, are you looking for cheap or moderate pricing? Sentence7: You're welcome! Have a great day! Goodbye. Sentence8: Of course, the address is 710 newmarket road. What else can I do for you? Sentence9: No, but can you give me their address, please? Sentence10: The autumn house is a cheap four star guesthouse that has wifi and parking in the east area. Would you like to make a reservation? Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System