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

Sentence1: I need one ticket please and for leaving at 16:15,thank you. Sentence2: Thank you! That's all for me. Goodbye! Sentence3: I need a Tuesday train to from Peterbourough. Sentence4: Glad I could help. Let me know if there's ever anything else you need. Sentence5: Sure they do have internet and their phone number is 01223327978. Sentence6: Let me confirm this information: Are you leaving from Peterborough at around 16:15 and going to Cambridge on Tuesday? Sentence7: Right now I just need their phone number and to know if they have internet or not please. Sentence8: There's a train, TR5267, which leaves Peterborough at 16:19, arr. Cambridge 17:09. It's 16.50 pounds per ticket. Would you like to book it? Sentence9: Could you help me book a hotel called el shaddai? Sentence10: What day would you like to stay at the el shaddai? Sentence11: Yes, that's mostly right, but it should be after 16:15, please. Sentence12: Yes, please book it for one person and provide the reference number. Sentence13: All booked. Your reference number is LBUHU6M3 . Is there anything else I can help you with? Sentence14: If your are going to cambridge the first train leaves at 05:19 and the last at 07:19, any particular time and how many tickets please? Question: Who has spoken the sentence 10? (A) User (B) System
Answer: (A) User

Sentence1: Your reservation was successful and your reference number is UO8AN5FO . Is there anything else that I can help you with today? Sentence2: I am looking for the Alpha-Milton Guest house and would like to book it for 5 people for 2 nights starting Friday. Can you send me the reference please? Sentence3: That's all, thank you so much! Sentence4: Thank you for calling, enjoy! Goodbye. Sentence5: Sure, what is the name of the hotel? Sentence6: Hello. Can you help me in locating a certain hotel? Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: Great, both university arms hotel, and huntingdon marriott hotel are four stars. Can I book one of these for you? Sentence2: Thank you for using our system! Sentence3: Arriving on Saturday and departing on Monday, please, for two adults. I'll also need the phone number, postcode, and internet availability with my confirmation number, please. Sentence4: Book the Huntingdon Marriott please. Sentence5: Certainly, I'll just need the arrival and departure date as well as how many people will be staying. Sentence6: There are several Italian, European, and Chinese restaurants in that area, would you like one of those options? Sentence7: I am looking for a place to stay in an expensive price range. I don't need any free parking. Sentence8: A reservation at any will do. Please reserve a table for 3 at 19:15 on sunday. Sentence9: Lan hong house would be a good choice for Chinese. I will book that for you. Booking was successful. The table will be reserved for 15 minutes. Reference number is : US2BCO6D . Sentence10: Great, thanks a lot for your help! Sentence11: The phone number is--01480446000 The postcode is--pe296fl. Yes internet is available. Sentence12: Hi I need to find a restaurant in the Centre part of Cambridge that falls in the moderate price range, can you give me some suggestions please. Sentence13: I don't care about the area, I just want it to be a hotel type and not a guesthouse. Sentence14: I have 5 hotels in the expensive price range, would you like to stay in a particular area of town? Question: Who has spoken the sentence 11? (A) User (B) System
Answer: (B) System