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

[Q]: Sentence1: Yes, and their phone number is 01223363682. Is there anything else I can help you with? Sentence2: Do they have free parking, and what is their phone number? Sentence3: Yes I can confirm that Warkworth house has internet, can I help with anything else? Sentence4: Can you tell me if warkworth house hotel has wifi. Sentence5: Sure. Glad to help. Sentence6: No, that's all I need, thank you. Question: Who has spoken the sentence 5? (A) User (B) System
[A]: Answer: (B) System


[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: Do you need anything else? Sentence2: Find me a restaurant that serves belgian food in the centre Sentence3: There are many trains that meet your criteria. Would you like to narrow it down further by departure time or arrival time? Sentence4: How about one that serves Turkish food? Sentence5: Thanks, I'm also looking for a train that goes to Cambridge on Saturday. Sentence6: Sorry, I need an origination point to give you that information. Sentence7: I have three Turkish restaurants. Two are moderately priced and one is expensive. Any preference? Sentence8: I would like to know the price ranges of the 3 if possible please, and also would like to dine in the centre of town. Sentence9: Not right now. Thank you. Sentence10: The TR4288 train arrives at cambridge at 19:52. Can I book it for you? Sentence11: I'd like to arrive by 21:15 please! Sentence12: Ok great, have a wonderful day. Sentence13: I'm sorry, there aren't any. Sentence14: The Meze Bar Restaurant is expensive. The Anatolia and Efes Restaurant are both moderately priced. They are all located in the centre. Sentence15: That is all I need. Sentence16: The train should depart from ely and should arrive by 21:15. Question: Who has spoken the sentence 7? (A) User (B) System
[A]:
Answer: (B) System