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

[Q]: Sentence1: Thank you. That's all I need. Sentence2: I was able to book it, reference number is T2SNWPJA Sentence3: Okay, the Mahal of Cambridge serves indian food and is located in the centre. Would you like me to make a reservation for you? Sentence4: I am happy to help, what was the name of the place? Sentence5: Its the huntingdon marriot. I'd like to book it for 8 people on 2 nights starting on wednesday, and I'll need a reference number. Sentence6: Can you help me look up a particular hotel that I have in mind? Sentence7: Great, thanks for that. I'm also looking for information about a restaurant called mahal of cambridge. Sentence8: Yes please book a table on Wednesday for 8 people at 17:15, I'll need a reference number. Sentence9: It was my pleasure to help. Have a wonderful night. Take care. Bye. Sentence10: Your booking was successful reference number is 1QVLVD25 Question: Who has spoken the sentence 3? (A) User (B) System
[A]: Answer: (B) System


[Q]: Sentence1: Great, have a wonderful day and enjoy your taxi ride, thank you! Sentence2: What time would you like to arrive? Sentence3: No, that is all I need today. Thanks! Sentence4: i want to book a taxi. The taxi should depart from la Margarita and should go to riverboat Georgina. Sentence5: I have a white tesla booked. The contact number is 07032807056. Anything else today? Sentence6: I would like to arrive by 17:15. Question: Who has spoken the sentence 2? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Okay. Is there anything else you need? Sentence2: My boyfriend really likes scottish food. Would you have anything that offers that? Sentence3: Thank you goodbye! Sentence4: I certainly can. We have 15 inexpensive restaurants in the center of town. Was there a particular type of cuisine you wanted? Sentence5: Yes please. Can you also give me the address, phone number, and postcode? Sentence6: That'll be all! Thank you! Sentence7: Hi can you help me find a cheap restaurant in the centre of town? Sentence8: I'll be happy to do that for you. What day would you like the table for? Sentence9: Oh wow. That's too bad. How about a good italian place? Sentence10: Actually, I've changed my mind. I'm going to wait on that reservation, thanks. Sentence11: Sure thing! The address is 47-53 Regent Street, the phone number is 01223365599, and the postcode is cb21ab. Is there anything else I can do for you? Sentence12: I do not have any Scottish places fitting that criteria, may I try another food? Sentence13: The zizzi cambridge is a cheap Italian restaurant in the centre area. Would you like me to make a reservation for you? Sentence14: I'd like a reservation at 6:30 for a party of 2. Question: Who has spoken the sentence 9? (A) User (B) System
[A]:
Answer: (B) System