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

[Q]: Sentence1: i want to find a hospital in town Sentence2: No, can I get the phone number, address, and postcode? Sentence3: welcome. at your service next time Sentence4: Addenbrookes Hospital is nearby, at Hills Rd, Cambridge. Do you need a particular department? Sentence5: you are always welcome Sentence6: Great, that's all I need today! Thank you! Sentence7: The phone number is 01223245151, The address is Hills Rd, Cambridge. The Postcode is CB20QQ. Sentence8: Thank you for your help. Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: book a table for 6 people at 11:15 on tuesday at the Hakka Sentence2: Sure what type of food are you wanting to eat? Sentence3: Do they have free wifi? Sentence4: I booked the taxi, it is a yellow tesla the contact number is 07809860598. Is there anything else I can assist with today? Sentence5: I will need a taxi to get to the restaurant. Sentence6: Booking was successful, and your reference number is TDVD6XSM . Is there anything else I can assist you with? Sentence7: That is all, thank you for your help. Sentence8: The Hamilton Lodge sounds perfect for you. Would you like to know more? Sentence9: I'm glad we were able to help. Sentence10: I would like to find an expensive restaurant in the north part of Cambridge. Sentence11: Yes, they do have internet. Shall I make a booking? Sentence12: There 2 of them - the Hakka and the hotpot. Which one would you like to try? Sentence13: Yes please. I want 4 nights from tuesday, and for 6 people. Give me the reference number too. Sentence14: I am looking for a hotel in the same area that has free parking. Sentence15: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 48WF5G7X . Can I help with anything else? Sentence16: How about chinese food? Question: Who has spoken the sentence 15? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: What time should I reserve it for? Sentence2: There will be 7 of us. Sentence3: I'm sorry, there is not an Indian restaurant in the east that is cheap. Would you prefer one that is moderately priced or expensive instead? Sentence4: Yes, I will need to book it for the same day. Sentence5: Hi. I am looking for a place to stay. Sentence6: Curry price is located in the east and moderately priced, would you like a reservation? Sentence7: I would like the table at 16:45, please. Sentence8: OK, there are 3 to choose from. Sentence9: Let me add that you were booked into the Autumn House. If that is all, have a wonderful stay in Cambridge. Goodbye. Sentence10: Please recommend the best one, I need to book a stay for 7 people starting Thursday for 2 nights. Sentence11: There are four that meet your criteria. Two in the east, one in the north, and one in the west. Which one would you like more information on? Sentence12: Great. I have all that I need. Thank you very much! Sentence13: I would prefer one that is located in the east. Sentence14: How about Indian restaurant with moderate price range and do not care about location Sentence15: I need a time and for how many people please. Sentence16: I'm looking for a cheap 4 star hotel in the east that has free wifi. Sentence17: Thanks! Are there any cheap Indian restaurants near the hotel? Sentence18: You are booked. the reference number is 6SOS8UJ4 Sentence19: I can narrow your results if you would like to be more specific. Otherwise Allenbell on Coldham Lane gets 4 stars. Sentence20: Booking was successful. Reference number is : Q884IOVI . Question: Who has spoken the sentence 11? (A) User (B) System
[A]:
Answer: (B) System