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

Q: Sentence1: Booking completed! Booked car type : red ford Contact number : 07059574947 Sentence2: Thats everything I needed thanks for the help! Sentence3: I'm afraid there aren't any theatres on the west side. most of our theatres are in the city centre. is there something else I can look up for you? Sentence4: Yes, I love museums. Sentence5: Yes I also need a taxi to arrive there by 18:00 from the theater. Sentence6: I'll be here any time. Sentence7: Can you find a restaurant called Rajmahal. Sentence8: There are several museums in the area. Would that interest you? Sentence9: Great, thanks. I'm also interested in attending a theatre on the west side. Sentence10: Ok are there any attractions in the west you recommend? I need a phone number for whatever you chose. Sentence11: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 1XCDMW6O . Sentence12: In the west if there are any there? Sentence13: Sure. It's an Indian place in the east area of town. What would you like to know about it? Sentence14: What entertainment choices are in the west? Sentence15: sorry, i couldn't find anything in the west. Sentence16: That's all I need to know. Can you reserve me a table for 3 Saturday at 18:00? Sentence17: How about the Kettle's Yard, there phone # is 01223748100 and they are on Castle Street. Admission is free too. Does this work? Sentence18: What side of town would you like to be on? Question: Who has spoken the sentence 13? (A) User (B) System

A: Answer: (B) System
****
Q: Sentence1: I am looking for Mediterranean food in the center of the city. Sentence2: I show 3 available. 2 are in the expensive range and 1 is cheap. May I book a table for you? Sentence3: Thanks for calling. You have a great day! Sentence4: I have booked you at the Shiraz Restaurant for 7 people Saturday at 15:45. Your table will be reserved for 15 minutes. Sentence5: I'd like the expensive range and I'd like to book a table for 7 people on Saturday at 15:45. Sentence6: Great. Thanks so much! Sentence7: Thank you so much. That is all I need today. Have a great evening. Sentence8: Sure. Your reference number is MSV3UPS2 . You will likely need it. Question: Who has spoken the sentence 4? (A) User (B) System

A: Answer: (A) User
****
Q: Sentence1: Total travel time is 50 minutes. Would you like me to book it? Sentence2: Not right now, thanks. As I'll be in the center part of town I'd like to find an expensive restaurant there. Do you have any suggestions? Sentence3: TR8714 departs at 17:48 and arrives by 18:38 in Cambridge on Thursday. Would you like to book a seat? Sentence4: I have the Cambridge Chop House postcode cb21sj address is 1 Kings Parade and the phone number is 01223359506. Would you like me to book that for you? Sentence5: Where wouold you be traveling from? Sentence6: Hi, I'm looking for a train that departs on Thursday for Cambridge. Sentence7: I certainly can what type of cuisine are you interested in? Sentence8: Okay, have a wonderful day, bye! Sentence9: What is the total travel time? Sentence10: No, I actually do not need any further assistance today. Thank you, goodbye! Sentence11: Cuisine doesn't matter as long as it's expensive and in the centre. Why don't you choose one and give me the phone number, postcode, and address Sentence12: I will be departing from Peterborough and I need to leave after 17:15. Question: Who has spoken the sentence 8? (A) User (B) System

A:
Answer: (A) User
****