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

Ex Input:
Sentence1: I'm just looking for something fun to do in the centre of town. Do you have any recommendations? Sentence2: I am checking on the train schedule from Peterborough to Cambridge. Sentence3: I will book it myself. Sentence4: What day do you want to depart? Sentence5: i want to depart on thursday. Sentence6: Can I get the phone number please? Sentence7: I also need an attraction. Sentence8: thank you and enjoy your stay. Sentence9: No thank you. That is all for today. Goodbye Sentence10: OK - is there anything else I can help you with today? Sentence11: TR418 leaves at 10:19. Whould you like me to book it? Sentence12: Sure many trains use that route. It would be helpful if you could narrow down a specific travel time. Sentence13: I want to leave after 10:00. Sentence14: Sure, their number is 08712240240. Is there anything else I can help with? Sentence15: Ok, I can help you with that. What type of attraction are you looking for? Sentence16: I'd recommend Vue Cinema. Would you like more information? Question: Who has spoken the sentence 13? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: The trip is 49 minutes. Sentence2: Thanks so much. And yes, could you possibly point me to some entertainment in the town centre? Sentence3: Fantastic. May I have the postcodes for those museums as well? Sentence4: I'm looking for a train from cambridge to stevenage. Sentence5: Unfortunately there isn't anything in the town centre that's entertainment, do you have an alternate preference or area you'd like? Sentence6: I can get you tickets for friday. The train departs the station at 05:21, is that time suitable for you? Sentence7: Thanks, that's all I need today. Goodbye! Sentence8: Is there anything else I can help you with? Sentence9: Can I get the addresses of both? Sentence10: Are there any museums in the centre? Sentence11: Castle galleries is at unit su43, grande arcade, saint andrews street. Primavera is at 10 king s parade. Sentence12: How long is the trip? I might like to leave somewhat later. Sentence13: Okay, I've booked you 6 tickets on train TR2515, which leaves at 05:21 and arrives at 06:10 in Stevenage. Your reference number is 1RMGSH2B . Can I help you with anything else? Sentence14: Castle Galleries is cb23bj and Primavera is cb21sj. Sentence15: There are 11 museums in the centre. Would you like to visit the Castle Galleries or Primavera perhaps? Both are free. Sentence16: Excellent. Book it for 6 people and I'd like to arrive before 12:45. Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: I'm looking to have a little fun at a nightclub. Sentence2: Thanks! I would also like a taxi between the two places. Sentence3: How about 11:30? Sentence4: The entrance fee of The Fez Club is free. Sentence5: I was able to book that taxi for you. Be looking for a yellow Honda. If you need to reach them, please call 07598905692. Anything else I can help with? Sentence6: Fez Club is good need postcode and phone number for it,also I want to go to expensive Chinese restaurant. Sentence7: I have about 17 different chinese restaurants. To narrow it down, do you have a preferred price range? Sentence8: One of the best things about cambridge is all of our attractions! Did you have an area in mind or an attraction type so I can narrow my search? Sentence9: It doesn't matter what area it's in and I'll be needing a table for monday. Sentence10: That would be perfect can I get a reservation for 12:30 on Monday for 3 people? Sentence11: Yes, expensive please. Sentence12: no, thank you very much Sentence13: The fez club is located in the center 8 market passage cb23hx, phone number 01223519224. Now, I am searching for the expensive Chinese restaurant. Sentence14: I am visiting Cambridge soon and am looking for someplace to go to while there, can you look up attractions for me? Sentence15: Booking was successful. The table will be reserved for 15 minutes. Reference number is : FSXM0KAQ . Sentence16: I am unable to make a reservation. Would you like to try a different time or date? Sentence17: Okay. I have 9 restaurants in the expensive range. Do you have a particular area you would like to be? Hakka is in the north and is very popular. Sentence18: You're very welcome. Have a great day. Question: Who has spoken the sentence 16? (A) User (B) System

Ex Output:
Answer: (A) User