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

[Q]: Sentence1: I'd like to find a 4 star guesthouse, please. Sentence2: The Place is a great nightclub in the south, located at 22 sidney street, post code cb23hg. The phone number is 01223324600. Is there anything else I can help you with? Sentence3: Yes, book it for me please. Thank you. Sentence4: It does not really matter. It will be just me starting on Friday for 3 nights. Sentence5: What attractions do you have in the south? Sentence6: I have found 18 guesthomes that match the criteria you listed. Is there any other specifications you have about the guesthouse (area,price range,etc) that you would like to tell me? Sentence7: Unfortunately, the booking was unsuccessful. Would you like to shorten your stay or try another place to stay? Sentence8: arbury lodge guesthouse is a moderately priced guesthouse in the north. How does that sound? Sentence9: The arbury lodge guesthouse is in the moderate price range. Sentence10: We have 8 types of attractions in the south? What type are you looking for? Sentence11: Sure, is there an area you prefer? Sentence12: I have to have free wifi Sentence13: I would like a room that is close to the nightclub for atleast 1 night up to 3 nights? Sentence14: Hmm, I'm not really sure. Do you happen to have any nightclubs? If not, what are my choices? Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: I am planning a trip in Cambridge and need a place to stay with free parking. Sentence2: Excellent. Can I book that for 2 people for 2 nights starting on Tuesday Sentence3: I have many different options available. Let me ask, do you have a certain price range or area in mind? Sentence4: Thanks i will find you one.Thanks a lot Sentence5: I have no particular price range, but would like a guesthouse in the north part of town. Sentence6: That narrows it down to about 9 different options. Most offer both free parking wifi. If you would like my personal recommendation, I would say go with the Hamilton Lodge. Sentence7: Booking was successful. Reference number is : 152UJWIK . anything else today? Sentence8: Yes, I need to find a train on Tuesday from Cambridge to London Liverpool Street. Question: Who has spoken the sentence 4? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: I would be happy to help. Those trains leave every hour, starting at 05:11. How early do you want to depart? Sentence2: I need a train going from Cambridge to Kings Lynn on Sunday. Sentence3: all saints church is very nice can I give you information on that one? Sentence4: Booking was successful, the total fee is 39.2 GBP payable at the station . Reference number is : 20RFDCGC . Sentence5: Sure. What would you like to know ? Sentence6: Can you help me find an architecture attraction to visit? Sentence7: Yes please, what area of town is it in? Sentence8: anything after 13:00 please Sentence9: It is in the centre and it's free. Sentence10: I am looking for information in Cambridge Sentence11: Yes, I can help with that. There are 5 attractions in the center of Cambridge, 4 are churches and the other is an old school. 4 are free and 1 costs 2 pounds. Do you have any preferences or would you simply like a random recommendation? Sentence12: That's perfect please make a booking for 5 and then let me have the reference number. Also can you help me find an architecture attraction? Sentence13: Sounds great. That is all I needed. Bye. Sentence14: Okay perfect. Have a great day, goodbye. Sentence15: Just give me a recommendation please. Sentence16: I have the TR8241 leaving at 13:11. Will that work? Question: Who has spoken the sentence 5? (A) User (B) System
[A]:
Answer: (B) System