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

Example Input: Sentence1: Hi, I just had a fight with someone regarding an automobile accident we had and I need to contact the police! Sentence2: I have the parkside cambridge police telephone 01223358966. Sentence3: always welcome. at your service Sentence4: Thank you, Goodbye Sentence5: I'm not sure where you are, but the police postcode is CB11JG. Sentence6: Can I get the zip code or postal code for the area I'm in right now? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Not a problem and thank you for choosing Cambridge TownInfo Centre Sentence2: Yes I have locations on the east, north and city center. Any preference for location? Sentence3: Thank you very much for helping me today! Sentence4: We can certainly help with that. Are you heading to the boat or to the hotel, and what time do you need the taxi? Sentence5: Gonville Hotel is a three star hotel with parking and is in the centre area. Does this sound good? Sentence6: Yes, I also need to get a taxi to go between them, please. Sentence7: I'd be happy to make that reservation for you. What days would you like to stay there, and how many are in your party? Sentence8: I would like a three star hotel, do not care about price. Sentence9: Great! I also need a hotel while I am there. I do need free parking but internet is optional. Sentence10: I am looking for a place to get a boat. Can you help me? Sentence11: Alright. There are a total of 29 hotels and guesthouses available. Is there a certain price range or area you wish? Sentence12: Yes that sounds fine. I would like to book a reservation please. Sentence13: I was able to get a red volvo for you phone number 07586716905 Sentence14: Can you make that for starting monday, 4 nights and 7 people? Sentence15: I need to leave the hotel by 5:00. Sentence16: The booking was successful! Your reference number is UR6L3NLS . Anything else I can help with? Sentence17: No problem. There is the Riverboar Georgina which is located in the north side of town. The address is Cambridge Passenger Cruises, Jubilee House and the postcode is cb43ax. Sentence18: No, I don't have any preference. You can just pick whichever one looks best and give me the phone number, address, and area. Question: Who has spoken the sentence 14? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Actually, type does not matter. But I want somewhere with 4 stars and wifi in the south please Sentence2: Yes, I would like that place. Can you give me the phone number, entrance fee, and address? Sentence3: The aylesbray lodge guest house is a great place to stay. Shall i book it for you ? Sentence4: Good bye have a nice stay. Sentence5: Great, can you get me the postcode, phone number and price range? Sentence6: Yes, the postcode is cb17sr. The phone number is 01223240089 and its moderately priced. Sentence7: Are there any entertainment attractions in the centre of the city? Sentence8: There are 44. Is there a certain type you prefer? Sentence9: Yes can you find a restaurant for me to eat at? Sentence10: Preferably a hotel if possible. Sentence11: I would recommend castle galleries. Sentence12: Do you need a hotel or guesthouse ? Sentence13: What type of restaurant are you looking for? Sentence14: Thank you, goodbye! Sentence15: How about a museum? Sentence16: Yes it does have 4 stars. Enjoy your travels! Sentence17: Does the hotel have free parking? Sentence18: Castle Galleries is located at unite su43, grande arcade, saint andrews street, 01223307402 and it is free. Can I help you with anything else? Sentence19: As long as it has 4 stars, that is all I need today, thanks for your help. Sentence20: To help narrow down the results, what area or price range are you looking for? Sentence21: I don't need to find a restaurant actually. I instead need a place to stay. Sentence22: Yes, it has free parking Question: Who has spoken the sentence 9? (A) User (B) System
Example Output:
Answer: (B) System