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

Example Input: Sentence1: All I need to know is what time you would like your ride for and I can get that booked for you right away. Sentence2: There are 8 of us going. Sentence3: Vue Cinema is located in the centre, would you like the address and phone number? Sentence4: There's nothing more that I need. Thanks, bye! Sentence5: The entrance fee is not showing up on my computer, the address is The Grafton Centre, East Road. Is there anything else I can assist you with? Sentence6: What can you tell me about the hotel el shaddai? Sentence7: I want to leave at 12:30 from my hotel and go to the cinema. Please give me the car type and phone number Sentence8: The phone number is 08712240240. Sentence9: I just want the phone number and entrance fee please Sentence10: How many people will the taxi be for? Sentence11: Great, thank you. Could you also help me with booking a taxi to go from the hotel to the cinema? Sentence12: You are welcome enjoy. Sentence13: Yes, I am also looking for a good cinema to visit in the centre of town. Sentence14: The taxi will be a white toyota and the contact number is 07880526604. Is there anything else I can assist you with today? Sentence15: El Shaddai is a cheap guesthouse located in the centre that has free parking and internet. Would you like the phone number and address? Sentence16: I asked you for the phone number not the address. Sentence17: No but I would like to make a booking for 8 people and 2 nights starting from thursday. Sentence18: Ok, I have your guest house booked for 8 people, for 2 days, starting on Thursday.You reference number is JZ3CHA4K . Is there anything else you need? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I am looking for a train that will depart from Norwich on Sunday Sentence2: Sure thing! Your table is reserved. Your reference number is OY2LNXFW . Is there anything else I can assist you with today? Sentence3: I am traveling to Cambridge and would like to find a local restaurant. I want to arrive by train at noon. Sentence4: TR4202 is the one that leaves at 7:16 and it costs 14.08 pounds per ticket. Would you like me to book it for you? Sentence5: No, that will be all. Thanks! Sentence6: Hi there, let's start with the train arrival, where would you be travelling from? Sentence7: How about 7:16? What is the price? Sentence8: The copper kettle will be fine. Yes please book a reservation. Sentence9: Goodbye and have a good day. Sentence10: Yes that would be great. I am also looking for a place to dine for the night. Do you have any suggestions? Sentence11: Is the restaurant moderately priced? If so, please book a table for 5 at 18:00 and send me the reference number. Sentence12: My recommendation would be the Ugly Duckling, a Chinese restaurant in the centre of town. It is located at 12 St. Johns Street City Centre. Sentence13: No, I'm sorry the ugly duckling is in the expensive price range. The copper kettle serves british food and is moderately priced. Would you like a reservation for it? Sentence14: There are trains every hour on the :16 that will get you there by noon, beginning at 5:16. Which would you prefer? Question: Who has spoken the sentence 12? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Yes, is there another moderately priced restaurant in the north? Sentence2: Can you give me the phone number of a moderately priced restaurant in the North part of town? Sentence3: yes, I would like their phone number and postcode, please. Sentence4: The phone number is 01223 360966. And the postcode is C.B 4, 1 U.Y. Sentence5: Thank you, Nirala sounds good. Goodbye. Sentence6: You're welcome. Bye. Sentence7: The phone number for Golden Wok is 01223 350688. Is there anything else I can help you with? Sentence8: The Nirala is a moderately priced restaurant in the north of town, and it serves Indian food. Would you like the phone number? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output:
Answer: (B) System