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

[Q]: Sentence1: Taj Tandoori is an expensive Indian restaurant in the South. Would you like more information on them? Sentence2: I'm looking for an expensive restaurant in the south part of town Sentence3: Thanks for your call. Goodbye! Sentence4: Thank you goodbye. Sentence5: May I have their address and phone number? Sentence6: chiquito restaurant bar is located at 2G Cambridge leisure park cherry hinton road cherry hinton. Its phone number is 01223400170. Would you like anything else? Sentence7: Yes. chiquito restaurant bar serves mexican food in the expensive price range and is located in the south part of town. Sentence8: Is there anything else? Question: Who has spoken the sentence 7? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Booking was successful, the total fee is 450.6 GBP payable at the station . Reference number is : G368B2VI . Can I help with anything else today? Sentence2: I would like to stay in the centre of town please. Sentence3: TR0254 Leaves at 05:40, would you like me to book that for you? Sentence4: I will be departing from Birmingham New Street on Tuesday. Sentence5: The price is 75.10 pounds and it is a 163 minutes ride. Can I help you with anything else? Sentence6: Please book 6 tickets and send me the reference number. Sentence7: No thank you. Please tell me about the ticket pricing and time of travel Sentence8: Okay, the postcode is cb11ly. What else can I help with? Sentence9: No, not yet. I just need the postcode. Sentence10: Thanks for using Cambridge TownInfo centre. Have a great day! Sentence11: I'm looking for a train that goes to Cambridge and arrives by 08:45. Sentence12: The Gonville Hotel will meet all of your needs. Would you like me to book it? Sentence13: I found two expensive hotels, one in the centre and one in the south of town. Do you have a preference? Sentence14: Again, 3 star with free wifi. I don't care about the price. It has to be in the centre, though. Sentence15: That is all, thank you for your help today. Sentence16: Yes please. I need a 3 star hotel that offers free wifi Sentence17: I found 231 trains that fit your request. Where will you be departing from? Sentence18: What price range and what star rating are you looking for ? Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Are any of them in the cheap price range? Sentence2: Which one would you recommend? Sentence3: zizi cambridge is available. It is also a cheap Italian restaurant in the centre. Your reservation is for Wednesday at 17:15 for 6 people. Your reference number is CRW6R09Z . Sentence4: Another, same area and price range please. Sentence5: As long as it's in the same area and price range, I guess I can try it. Please book it for 6 people at 17:15 on wednesday. Sentence6: You have your choice of Pizza Hut City Centre, Stazione Restaurant and coffee bar, Pizza Express, Ask, or Zizzi Cambridge. Sentence7: Can you find me an italian restaurant that is in the centre? Sentence8: Great thank you for your help that's all I needed today. Sentence9: I'm sorry, a table was not available. Would you like to try another restaurant? Sentence10: Have a great day! Sentence11: Pizza hut, ask and Zizzi all appear to be in the cheap price range, Would you like me to book one? Sentence12: I recommend Ask. Do you want me to book it for you? What day and time do you want to eat? Question: Who has spoken the sentence 1? (A) User (B) System
[A]:
Answer: (B) System