You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Example Input: Sentence1: I'm sorry, they don't have an opening at 12:00. Would you like to try a different time or day? Sentence2: Hi. I am trying to find some information on a restaurant called India House. Have you heard of it? Sentence3: I was able to book your table on Sunday at 11:00 for 1. The reference number is FRGW4OO2 . Sentence4: I'm so happy we could help you out today. Enjoy your meal in Cambridge! Sentence5: Great can you book a table for one person at 12:00 on sunday? Sentence6: India House serves Indian food in the west of town and is expensive. Their phone number is 0122346166. Can I help with anything else? Sentence7: Thanks. That covers it then! Sentence8: Sure, let's try for 11:00, same day. Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Yes please book it for one person for 2 nights starting friday. Sentence2: Sure. Your booking was successful and I have a reference number for you. It is IBDDDIAJ . Sentence3: Thank you for using our service today. Sentence4: I'm looking to get some info on a hotel called cityroomz. Sentence5: Thank you very much for your help. Have a great day. Sentence6: I've found it, would you like me to book it for you? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Alright, thank you. Goodbye. Sentence2: That would be greatly appreciated. I will have one other person with me, this will be on sunday at 18:15. Also could i get the reference number? Sentence3: No, you have been very helpful. Thank you. Sentence4: Thanks I appreciate it. Bye! Sentence5: How about the Galleria in the town centre? I could make a reservation for you if you wish. Sentence6: Yes actually, can we find something in the moderate price range? Sentence7: Thank you for using our service. Have all of your needs been met? Sentence8: Sure, there are lots of good European restaurants in town. Is there a price range that you prefer? Sentence9: Know anywhere that has european food? Sentence10: You're welcome. Thank you for using the Cambridge Towninfo Centre. Sentence11: You are all set for Sunday. The reference number is 7W544X5O . Is there anything else I could help you with? Sentence12: That should be all I need, thank you. Question: Who has spoken the sentence 11? (A) User (B) System
Example Output:
Answer: (B) System