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

Ex Input:
Sentence1: Booking was successful, the total fee is 75.59 GBP payable at the station . Reference number is : LQKC8QD2 . You'll be on the TR1193 which will arrive at 12:54. Sentence2: Thanks for helping me, I am all set. Sentence3: Are you looking for a place to visit, eat or stay? Do you need transportation? Sentence4: Can you book 2 tickets for a train that arrives closest to 13:00 please? Sentence5: Great, thank you for visiting us and I hope that you enjoy your stay. Sentence6: I am looking for information in Cambridge Sentence7: I found 7 trains that match your criteria. How early do you want to leave? We have trains running every hour from 05:09 to 11:09 Sentence8: I'm interested in any boats on the westside. Sentence9: Okay great! I also need a train. Can you assist me with that? Sentence10: There are a number of colleges in the west. I suggest magdalene college on magdalene street, cb30ag. Phone is 01223332138. Entrance is free. Sentence11: Sure, I am going to be travelling from Leicester to Cambridge on Monday. I need to arrive by 13:00. Sentence12: Okay what about any atttaction that is in the type of college and if available may i have the entrance fee, phone number and postcode. Sentence13: Yes, I need more information on your trip first. Sentence14: There are no boats on the west side of town right now, do you have something else you'd like to try? Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: yes that works. I also need a taxi to get between the guest house and restaurant. Sentence2: I'd also like the hotel type and internet status, please. Sentence3: found it, de luca cucina and bar is modern european centre of moderate price range. phone number is 01223356666 code,cb21aw and is located on 83 Regent Street Sentence4: Thank you, I want to book a table for 8 people at 11:30 on saturday. Sentence5: No just need the address and do they have free internet? I am also looking for a nice place to eat called the de luca cucina and bar Sentence6: It is a guesthouse, cheap, wifi and parking. Would you like to reserve it? Sentence7: Worth House has internet and parking. Will that work for you? Sentence8: Ok, a black bmw will pick you up in time to arrive for your reservation at de luca cucina and bar. The taxi's number is 07228077167. Anything else? Sentence9: Found it! It is located in the north and it is cheap. Would you like to make a reservation? Sentence10: Thanks. What was the address for Worth House? Sentence11: warkworth terrace is the address, anything else? Sentence12: Thank you, please contact us again if you'd like additional assistance. Have a great day! Sentence13: I'm looking for a hotel named Worth House Sentence14: That is all thanks for your time. Sentence15: Is that a hotel or guesthouse? And, do they have free internet? Sentence16: I was able to book it the reference number is 3EZLDF7Q . Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I need to come to Cambridge on Sunday and I'd like to take a train. Do you have anything leaving out of Birmingham New Street on that day? Sentence2: I want to book it for 5 people for 2 nights starting on the same day as my train trip. Sentence3: There is one train that arrives by 08:23. Do you want me to book it? Sentence4: Thank you for contacting us and have a nice day. Sentence5: The train id for that is TR8730 and the price is 60.08 pounds per ticket. Can I help you more today? Sentence6: Thank you. That was all I needed today. Sentence7: I would like to arrive in Cambridge by 9:15 please. Sentence8: Have a great trip. Sentence9: The trip is close to 3 hours. Do you have a preferred departure time? Sentence10: What would you like to know about it? Sentence11: I am also looking for information on a hotel called autumn house. Sentence12: Thanks a lot for all your help! Sentence13: Can I get the train ID and also the price for this trip? Sentence14: booking successful. Ref number is X0JLKVVF . Anything else today? Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:

Answer: (B) System