Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Ok alexander bed and breakfast it is a guest house located in centre and is cheap with 4 stars. The address is 56 saint barnabas road. post code cb12de Sentence2: What area would you prefer? Sentence3: We have 16 options available that may suit your needs. Can you tell me what price range you are interested in? Sentence4: There are 18 options, do you have any other preferences such as area or price range? Sentence5: That doesn't matter. I just need the price range, address, and postcode. You pick the type. Sentence6: Thanks. Could you tell me what kind of food the Peking Restaurant serves? Sentence7: Thank you, goodnight. Sentence8: I need one in Cambridge and I would like a 4 star rating. Sentence9: I have no particular preference on price range. Sentence10: Thank you for your help. That's all I need for now! Sentence11: I need a place with free parking. Sentence12: Hello, I am looking for a guest house. Sentence13: Great, I can help you, let me just get some more information. Is there a specific location or price range you'd like to stay within? Sentence14: You are welcome. Thank you for using our service. Goodbye! Sentence15: The Peking Restaurant serves expensive Chinese food. Sentence16: Okay. Glad I could be of help. Question: Who has spoken the sentence 4? (A) User (B) System
Output:
Answer: (A) User