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

[EX Q]: Sentence1: Yes sir! Soul tree nightclub is a good one. they are at 8 market passage, postal is cb23hx and phone number is 01223519224, is there anything else that I can assist with? Sentence2: Pick a good one for me. I need the phone number and postcode for it too. Sentence3: Sala Thong is an expensive Thai place in the west. They're located at 35 Newnham Road, cb39ey. Sentence4: Can't wait to come party at one of your nightclubs in town. Sentence5: There are 5 nightclubs in the centre and one in the south. Would you like more information on one of them? Sentence6: Thanks, that is all for today. Goodbye. Sentence7: You're welcome, have a good day. Sentence8: Can you give me information on a restaurant called Sala Thong? Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: There are no architectural attractions anywhere in town? Sentence2: Alexander bed and breakfast is available, would that work for you? Sentence3: from what day should i book? Sentence4: Yes, I am looking for an expensive place to stay that includes free parking. Sentence5: Sure, that sounds good. Could you give me the information on All Saints Church? Sentence6: All saints church is listed as architecture, would you like to go there? Sentence7: I could not find any attraction that match your request. Can I look for museums? Sentence8: I'm just looking for something that is a guesthouse in the cheap price range. Sentence9: Sure! I have a few places in mind, but can you tell me if you prefer a particular area? Sentence10: No that was it. Thank you so much for your help. Sentence11: It is in the centre located at Jesus Lane and the entrance is free. Their phone number is 01223452587 and the postcode is cb58bs? Anything else I can help with? Sentence12: Starting Thursday. Sentence13: I'm looking for any type of architectural attractions in town. Do you have any recommendations? Sentence14: You have a room booked for Thursday. Reference number is U3DO9AJP . Can I help with anything else? Sentence15: Thank you and goodbye. Sentence16: can you book for 4 people 5 nights and get me the reference number please? Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: I'm sorry, but there seems to be an error. Could you please restate your request? Sentence2: Ok we have 10 trains that day, did you have a time in mind? Sentence3: The address is 98 king street. Can I help you with anything else today? Sentence4: Yes, I need a train going from Cambridge to Stevenage on Tuesday. Sentence5: I am looking for a restaurant that serves indian food in the west. Sentence6: Thank you for all the information. That will be all for now. Sentence7: Yes, I'm looking for museums in the center of town, not a restaurant. Can you tell me about your favorite one? Sentence8: I can put you on the tr6692, it leaves at 19:21, how many tickets? Sentence9: Thank you so much for your help. Sentence10: I have the broughton house gallery located at 98 king street with free entrance fee. Sentence11: You're welcome. Please call again if we can assist you in any other way. Goodbye. Sentence12: I need to leave after 17:45 Sentence13: what's the address? Sentence14: Okay great! Have a great day! Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]:
Answer: (B) System