Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: That sounds perfect, may I have the postcode please? Sentence2: Absolutely! The postcode is cb21rf. Is there anything else I can help you with? Sentence3: Yes, I also need places to go in college. Sentence4: That's it. Thanks for everything. Sentence5: I need to depart after 20:00, and will be travelling to Cambridge. Sentence6: There are many colleges to visit in Cambridge. May I suggest one? Sentence7: Okay, that will do. What is the travel time? Sentence8: Okay how about the TR8185 that leaves at 20:19 and arrives by 21:09. Sentence9: many trains leave, what time do want to leave? Sentence10: pembroke college is in the centre located at trumpington street with a free entrance fee. Sentence11: The travel time for that route is 50 minutes. Did you need a ticket? Sentence12: You are welcome. Enjoy your time in Cambridge. Good bye. Sentence13: I am looking for a train leaving Peterborough on Thursday. Can you help me? Sentence14: Yes, I would like that. Question: Who has spoken the sentence 11? (A) User (B) System
Output:
Answer: (B) System