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: Ok. Take care have a nice day. Sentence2: Well, I am here to help, but I need to know what you want me to look for. Sentence3: Okay, how about ugly duckling? Sentence4: Your reservation is all set. Your reference number is 3FF42HU1 . Is there anything else I can help you with? Sentence5: I found 9 great choices. Is there a specific area of town you want to be in? Sentence6: Great. Can you book for five people and give me the reference number for that? Sentence7: There is a 13:21 that would get you there by 15:06. How does that sound? Sentence8: I have that booked for you with a reference number of 1XMFVN8T . Is there anything else I can do for you to make your trip as easy as possible? Sentence9: The train should leave after 13:15 and should leave on saturday. The train should depart from cambridge and should go to leicester. book for same number of people Sentence10: That sounds great. Can you book a table for 5 at 13:15? Sentence11: I am planning a trip in Cambridge Sentence12: Pardon my mistake, my migranes make my head a little foggy at times, can you help me find an expensive chinese place to eat at? Sentence13: It doesn't matter. I trust your judgment. I need a reservation for friday. Sentence14: That's all I needed today. Thanks for your help. Goodbye! Question: Who has spoken the sentence 5? (A) User (B) System
Output:
Answer: (B) System