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

Q: Sentence1: Help me reserve a taxi to take me to kambar Sentence2: Sure! when would you like to arrive? Sentence3: Sure! What is your departure site? Sentence4: Great. Have a wonderful day. Sentence5: Okay I booked your taxi successfully Sentence6: It doesn't matter. I just want to leave there after 10:45 Sentence7: I need to leave from lovell lodge Sentence8: Great, what are the details, please? Sentence9: A white honda will be picking you up, the contact number is 07580557287. Is there anything else I can help you with? Sentence10: That's all I need for now. Thank you. Goodbye. Question: Who has spoken the sentence 3? (A) User (B) System

A: Answer: (B) System
****
Q: Sentence1: Yes, in the South, I am also looking for Romanian food. Sentence2: Sorry I don't have anything for that either. Sentence3: Can you try chinese? Sentence4: What is the address for the museum? Sentence5: You are booked at Nando's, a cheap portuguese restaurant in the south. Your reference number is ZS1PDFZA . Sentence6: Sorry I don't have anything for that either. Sentence7: Same area and price, but portuguese, anything for that? Sentence8: Does location matter? Sentence9: You choose as long as it is cheap. Could you book a table for 7 people at 15:45 on Wednesday? Sentence10: I found only the Byard Art musuem in the south. There's no entry fee. Phone number, 01223464646. Sentence11: You're welcome, let me know if I can assist with anything else. Sentence12: I need a place to eat that is cheap. Sentence13: There are no restaurants that meet what you're looking for. Is there anything else you'd like to try? Sentence14: Great! Thanks. Have a good night. Bye. Sentence15: it is in the north address is 14 king's parade and free admittance Sentence16: Are there any museums close to restaurant? Question: Who has spoken the sentence 1? (A) User (B) System

A: Answer: (B) System
****
Q: Sentence1: There are 44 different places in the centre. What kind are you interested in? Architecture, boat, cinema, college, concert hall, museum, night club, park, swimming pool, or theatre? Sentence2: As I mentioned before, can you tell me about a good nightclub? Sentence3: Okay, I have booked the car. The driver will be in a white Honda. Sentence4: I"m looking for a hotel in the east. Sentence5: May I have the contact number for the taxi, please? Sentence6: The day that I arrive is flexible. Sentence7: What night will you be arriving? Sentence8: The price range is expensive, and there is internet. Sentence9: We will be there for 4 nights. Sentence10: There is an Express by Holiday Inn Cambridge, shall I book it for you? Sentence11: I don't have a price preference. Which guesthouse do you recommend? Sentence12: yes book it with reference number Sentence13: I will arrive on Wednesday. Sentence14: I highly recommend warkworth house in the moderate price range. Do you want me to book it for you? Sentence15: I can book the warkworth arriving on Wednesday. How many nights will be be there? Sentence16: Can you tell me about nightclubs in the centre area? Sentence17: Yes, there are a few four star guesthouses in the cheap and moderate price ranges with free parking and internet in the east. Do you have a preference in price range? Sentence18: I can book you in if you have an idea of when your stay will begin. Sentence19: Is there a guesthouse that would be available with that criteria? Sentence20: Booking was successful. Reference number is : IM2BXWKV . Sentence21: That will be all. Thank you for your help. Sentence22: My favorite is Ballare. Their entrance fee is 5 pounds. Sentence23: I need it to have four stars and free parking. Sentence24: Have a wonderful trip. Enjoy the rest of your day, goodbye. Sentence25: The contact number for the taxi is 07885085016. Do you need anything else or is this all for now? Sentence26: 4 of us will be staying. Please give me the reference number for this booking. Sentence27: Now I'll need a taxi to pick me up at 15:00 from Ballare and take me to the hotel Sentence28: How many people will be staying? Sentence29: The phone number is 01223364222. Postcode, cb23na. Address is cb23na heidelberg gardens, lion yard. Sentence30: What is the price range and is there internet? Sentence31: Unfortunately i found no matches. Would like me to look elsewhere with your same request? Sentence32: Can you give me the phone number, postcode and address please Question: Who has spoken the sentence 23? (A) User (B) System

A:
Answer: (B) System
****