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 am planning a trip in Cambridge. I'm looking for a train. Sentence2: no, that is all. Thanks, goodbye. Sentence3: It will cost you 17.90 Sentence4: Where are you departing from? Sentence5: I would suggest this one the golden curry. Sentence6: your all set! Reference # is TKNF8H2H . Anything else today? Sentence7: I am departing from Broxbourne and I would like the train to arrive by 10:00. What is the price for this? Sentence8: sure what day are you traveling? Sentence9: Have a great day. Sentence10: Please book that one for 8 people on Friday at 17:00. Sentence11: No thanks. I just need the price per ticket. Sentence12: The TR5570 train will work. Would you like me to book you passage? Sentence13: Okay thank you, I'm also looking for an Indian restaurant in the east that is expensive. Sentence14: I plan to travel on friday. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Ok, that would be great. Can I get the reference number please? Sentence2: Sure, and make me a booking for 7 people. Sentence3: I'll be departing from Cambridge on Wednesday. Sentence4: Yes I need a train going to birmingham new street leaving after 18:15. Sentence5: I have Hughes Hall, 01223334898, with free entrance. The broughton house gallery at 01223314960, also free. I don't seem to have any churches. Can I help you further? Sentence6: there are some great museums, colleges and churches for you to visit. Sentence7: Please recommend some worthwhile places to visit in the centre. Sentence8: Have a wonderful visit. Thank you for using Cambridge TownInfo Centre. Goodbye. Sentence9: I will go ahead and book that for you. Sentence10: Great, I would like to get some phone numbers for those places in the centre. Sentence11: Where will you be departing from, and on what day? Sentence12: Thank you. That's all I need for today. You've been a great help. Sentence13: There are five trains leaving on Weds. Do you want me to pick one to book? Sentence14: TR9236 leaves cambridge on wednesday on 19:01 and arrives at birmingham new street at 21:44. I have booked 7 tickets. Your Reference number is : 2BGY3ZRW . Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: How many people and what time would you like me to make your reservation? Sentence2: on tuesday. book and give me the reference number Sentence3: There is parkside pools. Their address is gonville place. Sentence4: Sure for what day? Sentence5: Okay, what are the hours they're open? Sentence6: How about a swimming pool? Sentence7: Hello, I am looking for a local restaurant that serves indian food and is located in the centre of town. Sentence8: I have a party of 8 and need it for 14:45. Can you help me with that? Sentence9: I do not have that information. Sentence10: I was looking for something for a type of multiple sports. Sentence11: I would like it to be an expensive place to eat. Sentence12: Booking was successful. The table will be reserved for 15 minutes. Reference number is : KGMVNKJM . Sentence13: I would actually like to book a table for tuesday. Sentence14: I recommend curry king. their phone number is 01223324351. Sentence15: I dont have that in the centre. Would you like to try something else ? Sentence16: We have nine Indian restaurants in the centre. If you have a price range preference, we have both cheap and expensive options. Sentence17: Have a good time! Good bye. Sentence18: Hm, there are quite a number of places to visit in the town centre. Could you give me an idea of what you're looking for? A museum or church? Or something different? Sentence19: Okay, that's all I need. Good bye. Sentence20: I would also like to find some where fun to go in the centre of town. Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]:
Answer: (A) User