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

[Q]: Sentence1: Would that be London Liverpool or London Kings Cross? Sentence2: We don't have any trains going from Ely to London Liverpool or London Kings Cross. Do you need anything else? Sentence3: I will be leaving from Ely and going to london. Sentence4: Are you sure you don't have a preference? Sentence5: Either one is fine with me. Sentence6: On Saturday I need a train that will arrive by 21:45. Sentence7: Yes I'm sure. I need to book that for 5 people. Sentence8: Can you tell me where you will be departing from and heading to? Question: Who has spoken the sentence 6? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Thank you. Could you please get me the phone number? Sentence2: Yes, I was wondering what the location is of Addenbrookes Hospital. Sentence3: no, that's all thanks Sentence4: That hospital is located on Hills Rd, Cambridge. Sentence5: Happy to help. Feel free to call back if any additional questions come up. Have a good day. Sentence6: The main hospital phone number is 01223245151. Were you looking for a specific department? Question: Who has spoken the sentence 4? (A) User (B) System
[A]: Answer: (A) User


[Q]: Sentence1: Yes, I am looking for a cheap restaurant in the south. Can you tell me what you have? Sentence2: Thank you for you help. That is all I need. Sentence3: Yes, that would be fine, thanks. Sentence4: Sure. There is a Chinese Restaurant and a Portuguese Restaurant. Would you like me to book one for you? Sentence5: It's called The Lucky Star. It's at Cambridge Leisure Park Clifton Way Cherry Hinton. Sentence6: Great can you book it for 1 person at 17:15 on saturday? Sentence7: That's disappointing. Can you tell me about the Chinese restaurant? Sentence8: Your table will be waiting for you. Your reference number is 6U8PG73H . Sentence9: Does this restaurant serve fusion food? Sentence10: No, I'm sorry. Either Chinese or Portuguese. Sentence11: Great! Thank you for using the Cambridge TownInfo centre. Have a wonderful day! Sentence12: It isn't available. Shall I try the Portuguese restaurant? Question: Who has spoken the sentence 10? (A) User (B) System
[A]:
Answer: (A) User