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

Q: Sentence1: How about the Hundington Marriott Hotel in the west? It gets 4 stars. Sentence2: Is that a 1 star hotel? Sentence3: I do not have a preference on the area. Sentence4: Can you look for a 4 star hotel in the same price range? Sentence5: No thank you that will be all Sentence6: Okay, in what area? Sentence7: Yes, it is called Nusha. Sentence8: Well, if you are sure, I hope you have a great visit! Thank you. Sentence9: Maybe I could help. Do you know the name of it? Sentence10: I would recommend the university arms hotel, which is centrally-located and offers free wifi and parking. Does that interest you? Sentence11: I've located Nusha and it's in the South. It's located in Cambridge Leisure Park on Clifton Road. Sentence12: Ok, thank you. I also need to find a hotel that is expensive. Sentence13: I have an attraction in mind that I need help finding. Sentence14: No. I'm sorry. It's not a 1 star establishment. Is there anything else I can help you with today? Question: Who has spoken the sentence 9? (A) User (B) System

A: Answer: (B) System
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Q: 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

A: Answer: (A) User
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Q: Sentence1: Okay, thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence2: There is 1 hotel and 9 guesthouses in the cheap price range. Do you have a preference for type or area? Sentence3: How about Autumn House? It's cheap and in the East. Sentence4: I would like something in the east of the city, I don't care about internet Sentence5: That sounds good, Thank you Sentence6: Okay, I've made you a reservation at the autumn house. Your reference number is HCQFAEJ3 . Can I do anything else for you today? Sentence7: Sure, can you try just 2 nights, please? Sentence8: Yes. I need a reservation for 2 people for 4 nights starting on Saturday. Sentence9: I'm sorry, the reservation was unsuccessful. Would you like to try a different day or a shorter stay? Sentence10: Would you like me to book a reservation for you? Sentence11: Hi. I a looking for a cheap place to stay. What can you recommend for me? Sentence12: No that would be all. Question: Who has spoken the sentence 7? (A) User (B) System

A:
Answer: (B) System
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