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

Q: Sentence1: You're very welcome! Is there anything else that I can help you with today? Sentence2: That is all I will need. Thank you for your help! Sentence3: Please book for 4 people at 17:00 on Sunday Sentence4: Thank you for all your help. Sentence5: I need a restaurant. The restaurant should serve indian food and should be in the expensive price range. Sentence6: I will be departing from my house. Sentence7: Pipasha Restaurant fits all of your criteria. Would you like to book a stay? Sentence8: Yes, I'd like a taxi to take me to Pipasha Restaurant and then to Cambridge Punter. I'd like to arrive at Pipasha Restaurant by 17:00. Sentence9: There are 14 expensive indian restaurants in the city. Do you have a preference of location? Sentence10: I am also interested in attractions in the centre. Specifically, I am interested in multiple sports facilities Sentence11: Your table for 4 has been booked. The table will be reserved for 15 minutes. Your reference number is 8OZ8ZF5G . Do you need anything else? Sentence12: The Cambridge Punter looks like a good choice. Want more information? Sentence13: Actually I'll be at the Cambridge Punter, pick me up there. Sentence14: Yes.East-Side London. Sentence15: How about an attraction that has to do with boats? Sentence16: The phone number to the cambridge punter is 07807718591. Do you require assistance with anything else. Sentence17: I have none available in the centre. Would you like a different area or attraction? Sentence18: You are welcome. Please call us back if we can help you any further. Sentence19: What is the address of your house so I can book the taxi? Sentence20: I just need to know where you will be departing from at first to the restaurant. Sentence21: No problem. Your taxi is booked. The car is a red tesla and the contact number is 07610839736. Anything else I can help you with? Sentence22: Yes, can I get the phone number? Question: Who has spoken the sentence 17? (A) User (B) System

A: Answer: (B) System
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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
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Q: Sentence1: I'm sorry not hotels, guesthouses please. Sentence2: Honestly, I would prefer if you could suggest one as long as its moderately priced. Sentence3: I have many listings,could I get what star rating to would preferred? Sentence4: That's all I needed. Thank you. Sentence5: I am unable to book during that time slot on Thursday. Would you like to try a different time on Thursday or maybe a different day? Sentence6: The india house is in the expensive price range and located at 31 Newnham Road Newnham. Sentence7: Thanks. Could you reserve a table for 3 people at 16:30 on Thursday? Sentence8: Booking was successful. You will arrive at the India House by 15:30. Sentence9: How about 15:30? Sentence10: Yes, actually. I'll be needing a taxi between those two locations. Please make sure they can have me at the restaurant by my reservation time. Sentence11: There are no guesthouses in the expensive range in the north area. There are five options, in the moderate range, any other preferences? Sentence12: You're welcome. Have a nice day. Sentence13: That would be fine. Could you also find out some information about the india house restaurant? Sentence14: I'm sorry, but there are no expensive hotels in the north area. Could I check for one in the moderate price range for you? Sentence15: Alright. Does the acorn guest house sound okay? It's 4 stars with free internet and parking. Sentence16: Yes, please check one in the moderate range. Sentence17: Booking was successful. Your Reference number is : SP0ZTZU8 . Is there anything else I can help you with today? Sentence18: Hello, I'm looking for a hotel in the north, and I'd like the more expensive range please. Question: Who has spoken the sentence 12? (A) User (B) System

A:
Answer: (A) User
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