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

[EX Q]: Sentence1: Your booking is complete, a black toyota will pick you up. The contact number is 07768938666. Sentence2: I need to leave after 07:45. Sentence3: I am going to allenbell Sentence4: Thats perfect that you for your help Sentence5: You're welcome. Do you have any other concerns? Sentence6: I don't. I appreciate your help. Goodbye for now. Sentence7: OK, I'm glad I was able to assist you. If there ever is anything else don't hesitate to contact us. Sentence8: I'd love to help! Where are you going? Sentence9: And when would you like to leave or arrive by? Sentence10: Hi, I need to get a taxi out of kohinoor. Question: Who has spoken the sentence 9? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Of course, silly me. I'd like to travel from Cambridge to London Liverpool Street on Saturday, and I need to get there by 19:00 please. Sentence2: Allright. TR0357 departs at 09:39. Would you like me to book you tickets? Sentence3: Thanks for the help, that's all for now. Sentence4: Sure! Their number is 01223227330. Sentence5: Well, I want to leave on Saturday. You tell me the best options. Sentence6: I would like to arrive by 19:00. Sentence7: A ticket from London Liverpool Street to Cambridge is 13.28GBP. Sentence8: I also need their phone number. Sentence9: Can you tell me where you are leaving from and going to? Sentence10: what days look like the best ones to get a great deal on hotel with train ride. Sentence11: Can you help me find a train for my upcoming trip to your city? Sentence12: Absolutely, the address is 15-19 Trumpington Street. Is there anything else I can assist you with today? Sentence13: Ok, I'll have to speak with my friend to see if that price is acceptable. Can I please get the address to the restaurant Hotel Du Vin and Bistro? Sentence14: There are 202 options that day! Do you know what time you want to leave or arrive? Sentence15: Can you give me the ticket price? Sentence16: I hope you have a good trip. Have a nice day. Goedbye Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Sure I have two entertainment places the Cherry Hinton Hall and Grounds and the Funky Fun House. Do you have a preference? Sentence2: I now need a taxi Sentence3: The a and b guest house is moderately priced and in the east part of town. Would you like their phone number? Sentence4: Cherry hinton hall and grounds has the postcode cb18dw. Funky fun house's postcode is cb58hy. Do you need anything else? Sentence5: I have a Grey Audi scheduled to pick you up from funky fun house at 9:45 and take you back to the hotel. your confirmation # is 07146100465. Anything else? Sentence6: Their number is 01223315702, can I assist with anything else? Sentence7: Yes, I am also looking for information on any places of entertainment in town. Sentence8: Is it moderately priced? Also, I think I need it in the east part of town. Sentence9: No, I just need the postcode Sentence10: back to the hotel Sentence11: I would love to help where are going to? Sentence12: I have 5 different entertainment attractions in town. I have 2 in the east, 2 in the south and 1 in the west. Did you have a preference? Sentence13: same part of town as the hotel. Sentence14: Ok, can you confirm where you want to be picked up and when? Sentence15: Glad I could help. Have a great day! Sentence16: 09:45 at Funky fun house's. Please give the car type and contact number? Sentence17: Please, thank you. Sentence18: Can you help me find a hotel to stay in that includes free wifi and has a 4 star rating? Thanks! Sentence19: Acorn guest house is available would you like to stay there? Sentence20: Nope that'll be all thank you. Question: Who has spoken the sentence 13? (A) User (B) System
[EX A]:
Answer: (B) System