Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Q: Sentence1: Have a great day. Sentence2: Yes the train arrives at 23:27 and the price of the fare is 16.60 pounds. Sentence3: Thank you goodbye Sentence4: Unfortunately, they often change so we do not have that information. But I can give you their phone number. It is 01223902158. Can I assist you with anything else? Sentence5: Thank you. I also need a book a train, leaving cambridge after 21:30. Sentence6: Yes, can you give me arrival times and prices, please? Sentence7: Ok and what is your destination? Sentence8: TR9557 leaves at 21:59, or, if that is too close to 21:30, TR3138 leaves at 23:59. Do either of those options work for you? Sentence9: I am looking for the Nusha. Can you help me? Sentence10: Sure, that is a fun entertainment venue located at Unit G6, Cambridge Leisure Park, on Clifton Road. Sentence11: what is the fee ? Sentence12: I want to go to London Liverpool Street on Friday. Question: Who has spoken the sentence 3? (A) User (B) System
A:
Answer: (B) System