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

Example Input: Sentence1: How about the Hundington Marriott Hotel in the west? It gets 4 stars. Sentence2: Is that a 1 star hotel? Sentence3: I do not have a preference on the area. Sentence4: Can you look for a 4 star hotel in the same price range? Sentence5: No thank you that will be all Sentence6: Okay, in what area? Sentence7: Yes, it is called Nusha. Sentence8: Well, if you are sure, I hope you have a great visit! Thank you. Sentence9: Maybe I could help. Do you know the name of it? Sentence10: I would recommend the university arms hotel, which is centrally-located and offers free wifi and parking. Does that interest you? Sentence11: I've located Nusha and it's in the South. It's located in Cambridge Leisure Park on Clifton Road. Sentence12: Ok, thank you. I also need to find a hotel that is expensive. Sentence13: I have an attraction in mind that I need help finding. Sentence14: No. I'm sorry. It's not a 1 star establishment. Is there anything else I can help you with today? Question: Who has spoken the sentence 9? (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: Restaurant Alimentum is also located in the south part of town and is in the moderate price range. Sentence2: You are very welcome. Good bye. Sentence3: Can I have the address, phone number, and type of food served by Restaurant Alimentum? Sentence4: They serve modern European food and are located at 152 - 154 Hills Road. Their number is 01223 413000. Sentence5: Pizza Hut Cherry Hinton is in the south part of town and in the moderate price range. Sentence6: Thank you Sentence7: I want a restaurant that is moderately priced and located in the south. Sentence8: Are there any other restaurants I can choose from? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output:
Answer: (B) System