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

[Q]: Sentence1: It has a 3 star rating. Sentence2: Could you tell me if The Lensfield Hotel has at least a 4 star rating? Sentence3: Find me an expensive place to stay on the south side, please. Sentence4: Yes I would like to make a booking. Sentence5: You're welcome. Have a great day! Sentence6: No, The only hotel I see has a 3 star rating. Sentence7: You know I also need someplace to eat in that is also cheap, and also in the south area. Sentence8: There is only one expensive hotel on the south side. Would you like to book at The Lensfield Hotel? Sentence9: Okay, how many guests and how many nights would you like me to book? Sentence10: How about a hotel in the cheap price range? Sentence11: I would also like a taxi to arrive by my booked time. can i have the taxi contact number and car type Sentence12: Lets go with The Lucky Star. I need a table for 8 people at 13:45 on Friday. Sentence13: Great it's all booked the reference number is MXDZ66IK Sentence14: You have your choice of The Lucky Star, with Chinese cuisine, or Nandos, a portuguese restaurant. Sentence15: Sure, the car will be a blue lexus and the contact number is 07235433780. Anything else I can help you with? Sentence16: I see, are there any cheap 4 star hotels on the south side? Sentence17: Nope, that is all. Thank you very much. Sentence18: Rosa's bed and breakfast is a guesthouse is a 4 star. Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: I do not care about the area but I would like it to be expensive. Sentence2: How about the Gonville Hotel which is centrally located? It has internet and is expensive. Sentence3: I found 5 hotels matching your request. I would recommend Huntingdon Marriott Hotel located in the west. It has a 4 star rating. Sentence4: Will you be needing a reference number? Sentence5: On what day will you be checking in? Sentence6: 4 people will be staying Sentence7: I also need a place to stay? Sentence8: Your table will be reserved for 15 minutes. Your reference number is GDZZ5T1Y . Can I assist you further? Sentence9: That is all, thanks. Sentence10: Booking was successful. Reference number is : M6FRXJOV . Sentence11: I have many to choose from. Do you have a preference for internet or parking? Sentence12: Alright! How many people will be staying starting what day? Sentence13: There are 11 European style restaurants. What price ranges are you looking for? Sentence14: Yes, I would like it to have internet. Sentence15: That sounds perfect. Let's book it. Sentence16: There are 33 hotels to choose from. Can we narrow this down? Are you interested in a particular part of town or specific price range? Sentence17: Expensive price range. Please book it for 4 people at 18:15 on Monday Sentence18: Can you help me find some european food in Cambridge? Sentence19: How about price range? The hotel should also be very expensive. I won't settle for less and neither will Fi-Fi. Sentence20: I will be staying on Monday. Sentence21: Yes I will definitely need that. Sentence22: Great. If you need help in the future, please contact us. Enjoy your stay. Question: Who has spoken the sentence 16? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Thanks. Next can I get some info on theatre's in the centre? Sentence2: I was able to book a table for two at the restaurant. Your confirmation number is DI0KD8LZ . The table will be reserved for 15 minutes. Sentence3: I would also like to know about any attractions that is in the centre of town that is a theatre type. Sentence4: Can you recommend one for me please? Sentence5: There is also Cambridge Arts Theatre, Mumford Theatre, and The Cambridge Corn Exchange. Sentence6: I'm sorry, but I'm not showing any Muslim restaurant listings. Is there another type of food you would like to try? Sentence7: Could you give me their address? Sentence8: The cambridge arts theatre is located at 6 saint edward's passage. postcode cb23pj Sentence9: sure when would you like to eat? Sentence10: I'd like to book a table for two around 19:45 on wednesday. Sentence11: I have four places there, what would you like to know? Sentence12: can you book the backstreet bistro for me ? Sentence13: You may help me by finding a Muslim restaurant for me to eat at please. Sentence14: Could I get the address for the Cambridge Arts Theatre? Sentence15: The address is park street. Is there anything else I could help you with? Sentence16: ADC is a good place, what would you like to know? Question: Who has spoken the sentence 7? (A) User (B) System
[A]:
Answer: (B) System