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

[EX Q]: Sentence1: I will need to know where you are leaving from and going to and what time you wish to arrive or leave. Sentence2: I will be commuting between the hotel and restaurant. Sentence3: That will be okay, can we book that. Sentence4: Sorry, I have no results for that query. Would you like to try a different area of town? Sentence5: Which one would you recommend? Sentence6: Yes I have two. Would you like me to book one? Sentence7: I'd like a taxi to travel from the restaurant to the hotel. Sentence8: Please tell me how many people will be staying, starting on what day and for how many nights? Sentence9: Yes, need a chinese food restaurant in the same area and price range as the hotel. Sentence10: Booking completed! Booked car type yellow honda Contact number 07378282192 Sentence11: Yes both of them have free parking. Sentence12: It will be just me today, thanks. Sentence13: I'm looking to stay at a 3 star hotel in the north. Sentence14: I hope you have a pleasant stay! Sentence15: Thank you for your help. That is all I need today. Goodbye Sentence16: Thanks. Sorry about that. I'd still like to request a taxi between the two. Sentence17: Okay. The postcode for the Ashley Hotel is cb41er. The address is 74 Chesterton Road. Can I help with anything else today? Sentence18: the ashley is actually a 2 star hotel. Sentence19: I need to leave the restaurant by 3:30, and I'll be going to the hotel. Sentence20: It is cb43hl 191 Histon Road Chesterton Sentence21: Is the Ashley hotel a 3 star hotel? Sentence22: You never actually mentioned a restaurant. Are you needing help finding one? Sentence23: Are there any moderate priced hotels in the North? Sentence24: How about the Ashley hotel? Sentence25: no. i just need the postcode and address Sentence26: I need a hotel to include free parking; does either have that? Sentence27: I do not want to book it. I need the postcode and address only. Sentence28: Golden Wok sounds suitable for you. Do you want a reservation? Sentence29: How many people? Sentence30: Okay, let me work on booking that for you. Question: Who has spoken the sentence 29? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: That's all I need. Thank you! Sentence2: Yes, please. Table for 8 at 15:00 on wednesday. Sentence3: I can't wait to get to Cambridge and try some of the restaurants I've heard about. Can you tell me about one of them? I think the name is Little Seoul. Sentence4: Thank you for contacting Cambridge TownInfo centre. I hope you have a nice trip! Goodbye! Sentence5: I have a train leaving cambridge at 11:36 and arriving in norwich by 12:55. Would you like me to book that for you today? Sentence6: I'd like to arrive in Norwich by 13:15 if possible. Sentence7: Can we do the same day at 14:00 instead? Sentence8: I'm so sorry, but Little Seoul was unable to accommodate that reservation. Would you like to try a different day or time? Sentence9: Little Seoul is a Korean restaurant in the city centre which is in the expensive price range. Would you like me to book a table for you? Sentence10: The booking was successful, reference number is 0F3L674U Sentence11: Thats is great, I need it for 8 people as well, and can I get a reference number as well please? Sentence12: Where will you be wanting to go? Sentence13: Great I also need to get a train on thursday leaving from cambridge. Sentence14: Sure thing. Your booking was successful. Your reference number is : WOWBP7SK . Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I have train TR1809 leaving at 19:48 and arriving at 20:38. Would that suit your schedule? Sentence2: It was a pleasure to help you. Have a nice night. Goodbye. Sentence3: thanks! I also need a train that should leave after 17:45 on sunday Sentence4: I am in Peterborough and I need to go to Cambridge Sentence5: I have found that restaurant for you, would you like the address? Sentence6: Yes, can I get the address and phone number please? Sentence7: Sure thing where will you be traveling from and to? Sentence8: Yes, thank you, I just need the price. Sentence9: The phone number is 01223351707 and the address is 20 Milton Road Chesterton Sentence10: I am traveling to Cambridge and am looking for the restaurant called Da Vinci Pizzeria. Sentence11: That's all I need. Sentence12: The price for one ticket would be 13.20 pounds. Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]:
Answer: (A) User