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

Ex Input:
Sentence1: Yes please. Please make sure the restaurant has a table available for booking for seven people on sunday at 13:15. Sentence2: Glad to be of service! Goodbye! Sentence3: I would really like to get really great Chinese food. Can you suggest an expensive chinese place? Sentence4: Yes! There are 5 that I have found. One in the East, 2 South, 1 North and 1 Centre. Would you like the address of any of them? Sentence5: I have 4 swimming pools to choose from. 2 are in the north, and I have one in the east and centre. Do you have a preference? Sentence6: I don't have a area of town preference. Sentence7: Sure! Abbey Pool and Astroturf Pitch is at Pool Way, Whitehill Road, off Newmarket Road. Would you like the phone number? Sentence8: What type of food. Sentence9: Hey I am looking for a swimming pool to go to while in Cambridge. Can you find me one Sentence10: Great that's all I needed. Thanks for your help. Bye. Sentence11: naw, but i'm looking for some food Sentence12: Sure, there are a number of options. Is there a particular area of town you were interested in? Sentence13: I think the one in the East would be best. Can you give me an address for it? Sentence14: I booked you a table at Hakka (ref #7K0C5AJN). They're on the east side at Milton Road, Chesterton. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Thank you for using the Cambridge TownInfo centre. Have a great day. Sentence2: City Centre North B and B is at 328a Histon Road. Please let me know if you would like restaurant recommendations. Sentence3: Hi, can you help me locate a hotel named City Centre B and B. Really looking forward to trying different restaurants. Sentence4: Are you still there? Were you able to book that? Can I get a reference number please? Sentence5: i am doing that right away sir. thank you Sentence6: Booking was successful. Reference number is : MOPETAI4 . Sentence7: Thank you, good bye Sentence8: Can you please help me book that hotel for 8 people. We'll be staying for two nights starting on Tuesday. Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: I was wondering the price range of the riverside brasserie. Sentence2: I have 4 modern european restaurants in the center of town. I recommend the Riverside Brasserie. Sentence3: What is the postcode of that resturant? Sentence4: You're welcome. Have a great trip! Sentence5: The phone number for Riverside Brasserie is 01223259988. Can I help you with anything else? Sentence6: It looks like there are none. Is there another area or type of food you'd like to look for? Sentence7: TR7850 leaves at 11:17, can book some seats for you? Also, the postcode for Riverside Brasserie is cb21rt. I had forgotten to give you that information. Sentence8: The Riverside Brasserie is moderately priced. Sentence9: Booking was successful, the total fee is 118 GBP payable at the station . Reference number is : 1JO707L5 . Will you need anything else? Sentence10: Hi, are there any modern global restaurants in the centre? Sentence11: Thanks. Could you check on a train for me from london kings cross? Sentence12: Sure, when would you like to leave by? Sentence13: I would like to leave after 11:15 on a Tuesday. Sentence14: I would like to look for one that serves modern european food please. Sentence15: Yes I'd like to book that train for 5 and I'd like the reference number as well please. Sentence16: I think that will be all for today. Thank you. Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:

Answer: (A) User