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

Input: Consider Input: Sentence1: I am planning a trip in Cambridge Sentence2: I found the express by holiday inn cambridge. It is a 2 star expensive hotel free parking and internet. The address is15-17 norman way, coldhams business park. Sentence3: Where will you be departing from? Sentence4: Thanks! i'm also looking for a place to stay in the east. Sentence5: I need to first find out what train will take me away after I am done. I need to get to Peterborough on Sunday by 21:45 Sentence6: Departing from Cambridge. I need the departure time, train ID and price. Sentence7: Okay, we've got a few options. The best looks like train TR6958 that leaves Cambridge at 20:34 and arrived in Peterborough at 21:24. The price is 13.2 pounds. Sentence8: That sounds like fun! What information can I help you find? Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System

Input: Consider 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

Output: Answer: (B) System

Input: Consider Input: Sentence1: Yes, there will need to be a booking for 7 people for this train and I will need the reference number. Also, I need info on that restaurant. Sentence2: Golden Wok is moderately priced in the north area. Would you like to book a table here? Sentence3: Your train tickets have been booked and the reference number is 5SZK6BNU . The Golden Wok phone number is 01223350688 and is located at 191 Histon Road Chesterton, CB23PP Sentence4: No, that's okay. Thanks for looking! Sentence5: No thank you, that is everything I need. I appreciate it very much. Sentence6: Thank you for letting me help you. Enjoy your dinner. Next time you need reservations we'll be here to help you. Sentence7: The departure is from Cambridge and the destination is London Kings Cross, what was the postcode, phone number and address of the Golden Wok? Sentence8: You're welcome. Are you certain you don't need further assistance? Sentence9: Moderate price range please. Sentence10: Postcode: cb43nl, Address: 191 Histon Road Chesterton, Phone: 01223350688. Can I help you with anything else? Sentence11: Thank you. for your time. Sentence12: I'm sorry, but there are no restaurants that meet your criteria. In fact, there are no basque restaurants in all of cambridge. Would you like to broaden your search? Sentence13: I'm looking for a restaurant in the north that serves basque food, please. Sentence14: TR9876 leaves at 23:00. Would you like me to book it for you? Sentence15: Now hold on just a minute. I'm still hungry. How about a Chinese restaurant instead? Sentence16: No but I am looking for a train fro Friday, leaving after 20:15. Sentence17: Yes, there are 17 Chinese restaurants. Do you have a desired price range? Sentence18: Actually, I think I also want to get the postcode, address, and phone number for the Golden Wok please. Sentence19: Thank you for contacting us. Please ask again if you need more information. Goodbye! Sentence20: OK, There are several trains leaving after 20:15. Where would you like to depart from and where is your destination? Question: Who has spoken the sentence 7? (A) User (B) System
Output: Answer: (B) System