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

[EX Q]: Sentence1: Thank you for using the Cambridge Town Info Centre Services. I hope you enjoy your time in Cambridge! Sentence2: is it in moderate price range? Sentence3: Do you have anything in the moderate price range? Sentence4: Most of our nightclubs are right in the center of town. Kambar is my favorite. Sentence5: No, thanks. Can you find a gastropub restaurant in the centre, please? Sentence6: it is an expensive gastropub Sentence7: Yes, there's the the cow pizza kitchen and bar. Sentence8: They're located on Corn Exchange Street. Would you like me to make a reservation for you? Sentence9: Awesome! Can you provide me with the address, entrance fee, and postcode, please? Sentence10: The address is 1 wheeler street cb23qb and admission is 5 pounds, would you like their phone number? Sentence11: I am looking for something fun to do while in town. A nightclub would be nice. Sentence12: What is their address? Sentence13: backstreet bistro is an expensive gastropub in the centre area. Would you like more information? Sentence14: No, I just need information for today. You have answered all of my questions. Thanks so much. Bye. Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: The postcode is cb41da. Is there anything else I can help you with today? Sentence2: There are 23 museums in town. Do you have a specific area you would be interested in? Sentence3: I need the post code also for the museum please. Sentence4: Acorn guest house looks available, would you like to book that? Sentence5: Their postcode is cb13ef. Is there anything else I can assist you with? Sentence6: Cambridge Artworks is in the east. They have no admission and their number is 01223902168 Sentence7: Yeah, can you have a taxi pick me up at the Acorn and take me to the Artworks, say around 24:45? Sentence8: Yes. I need a guesthouse. I should be a 4 star in the north. Parking is not important. Sentence9: I hope you enjoy your stay. Sentence10: No that's all I needed thank you! Sentence11: Not right now, but could you tell me their postcode? Sentence12: Which ever one is your favorite will do. Can I have their contact information and what is the entrance fee? Sentence13: Booking is complete. Your contact number is 07522217444. The car type will be a red tesla. Can I help you with anything else? Sentence14: I'm looking for museums in town. Can you recommend one? Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Thanks. Now can you look up a welsh food restaurant that is expensive and in the centre? Sentence2: You're welcome. Enjoy your visit. Sentence3: I want to take a train from Stevenage to Cambridge. Sentence4: Yes there is one option here. It is little seoul. What day and time for your booking? Sentence5: I don't need to purchase tickets today, but can you tell me the train ID and the total travel time to get me there? Sentence6: What is the price of a ticket, please? Sentence7: I Would like it on Monday at 18:15. Sentence8: Booking was successful. The table will be reserved for 15 minutes. Your Reference number is : X54JY6CB . Sentence9: Thanks, that's all I needed today! Sentence10: Can you please try again? Sentence11: I would like to leave on Monday and arrive in cambridge by 12:45. Sentence12: For how many people? Sentence13: TR9062 will take 49 minutes, from 11:54 to 12:43. Do you need anything else? Sentence14: Oh darn it! How about... maybe korean food? Still in the centre, and they need to be able to seat 7 people. Sentence15: It isn't allowing me to book that for you. Is there anything else I can try for you? Sentence16: What day and time do you want to leave Stevenage? Sentence17: Departure time isn't important as long as I can get there by 12:45. Sentence18: I have 4 trains available. What time would you like to leave? Sentence19: The price of TR9062 is 12.80 pounds. Sentence20: I'm sorry I couldn't find any welsh restaurants matching that criteria . Would you like to try a different area or type of food? Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]:
Answer: (A) User