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

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
Answer: (A) User

Sentence1: Is Aylesbray Lodge a guesthouse? If not, is there a guesthouse that fits? Sentence2: I can help you with that. Do you have a price range? Sentence3: I guess we can go with the moderately priced one. Sentence4: I don't have a preference. I'm just looking for a 4 star hotel that has free wifi. Sentence5: Booking was successful.Your Reference number is : 76HG81V6 . Anything else I can do for you? Sentence6: I need rooms for 8 peoples staying for two nights starting Wednesday. Sentence7: Aylesbray Lodge guest house is moderately priced and has free wifi. Would you like me to make a reservation for you? Sentence8: I'm looking for a hotel in the south part of town. Sentence9: Yes, it is a guesthouse. When would the stay begin and for how long? Sentence10: i have 2 locations that match your requirements, one is cheap, one is moderate. which would you prefer? Question: Who has spoken the sentence 8? (A) User (B) System
Answer: (A) User

Sentence1: Thank you very much. Goodbye Sentence2: What is the price range? I need something that is cheap, but good. Sentence3: May I book you at the curry garden? Sentence4: Great, thank you, that's all I need for today. Sentence5: Could you book me a room at the Huntingdon Marriott Hotel for tomorrow? Sentence6: That sounds good. May I please have the address? Sentence7: They are located at 74 Mill Road City Centre Sentence8: Sure what time would you like to check in? Sentence9: Your reservation for Huntingdon Marriott Hotel is ready for you. The reference number is U5BRMYHP . Is there anything else I can help you with? Sentence10: Yes, I'd like to find an indian restaurant in the centre of town. Sentence11: I would like a room for 2 nights starting on Saturday for 6 people. Can I please have a reference number for this once it is booked? Sentence12: The curry garden is expensive. How about Kohinoor. It is cheap, good and also located in the centre of town? Question: Who has spoken the sentence 10? (A) User (B) System
Answer: (A) User