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

[EX 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
[EX A]: Answer: (B) System

[EX Q]: Sentence1: Thank you for using this system Sentence2: There are several cheap restaurants located in the centre part of town. Sentence3: I am looking for a cheap restaurant. Sentence4: Yes, La Raza serves Spanish food. Would you like their phone number? Sentence5: Do any serve spanish food? Sentence6: La Raza is located at 4-6 Rose Crescent, their postcode is C.B 2, 3 L.L Sentence7: Thank you, goodbye. Sentence8: No, I would like the address and the post code please. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: That sounds perfect! Could you book me a table for friday at 18:00 for 8 people. Could you include the reference number also? Sentence2: How about the De Luca Cucina and Bar? They're in the centre with a moderate price range. Sentence3: I have booked your table. Your reference is ZNVPVZD5 . Is there anything else I can help you with? Sentence4: Yes, for 2 nights for 8 people starting on Friday. Sentence5: There are a total of 4 restaurants in the centre of Cambridge that serves modern european food. Is there a particular price range you would like? Sentence6: You are welcome, goodbye. Sentence7: That should be everything. Thank you for all of the assistance! Sentence8: I'm looking for a place to dine in the centre of town that serves modern european food. Sentence9: Not really, but I have 8 people with me. Sentence10: Yes, I also need a hotel, I am on a budget so if you could find a cheap one that would be great. Sentence11: There are 9 guesthouses and 1 hotel that is cheap. Do you have any other criteria such as area? Sentence12: I have booked you and your party for the Allenbell. Your reference number is TZ42QW4H . May I assist you with anything else? Sentence13: Not really, I don't need free parking or anything. What is available? Sentence14: I would recommend the Allenbell. Would you care to book a room there? Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]:
Answer: (A) User