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

[EX 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
[EX A]: Answer: (B) System

[EX 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
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Yes, there are several. Do you have a certain area in mind? Sentence2: That sounds great. Please book it for me. Sentence3: london liverpool street and should leave after 17:00, I need you to book it for 7 people and a reference number please Sentence4: TR7092 leaves at 17:59, will this be ok? Sentence5: i hope you enjoy staying around here Sentence6: I'm sure I will. Thanks again. Sentence7: How about a cheap place instead? Sentence8: There is one cheap hotel in the west. It is the Cambridge Belfry. Would you like me to book it for you? Sentence9: There are 7 choices in the cheap price range, are there any preferences? Sentence10: What is the reference number? Sentence11: Can you help me find a train from cambridge? Sentence12: Thank you. I'm also looking for a place to stay. I'd like a guest house that's expensive with a star of 4. Sentence13: I am travelling to london liverpool street on Monday Sentence14: Do you have a particular time you would like to travel? Sentence15: I will work on getting that booked for you. Sentence16: It was a pleasure assisting you. Have a great day. Goodbye. Sentence17: Booking was successful, your reference number is: QJTIXK8C . Is there anything else I can assist you with today? Sentence18: Yes thank you. I need a room for 7 people and 5 nights starting from Wednesday. Sentence19: are there any guesthouses? Sentence20: I have many trains available. What is your destination and day you would like to travel? Sentence21: I'm sorry there aren't any matches. Would you like to try something in the moderate price range? Sentence22: Okay, your booking was successful. The total fee is 116.2 GBP. You can pay this at the station. Your reference number is 2SDPSULR . Sentence23: Fantastic. That is all I have to request. Sentence24: The area is not an issue. I do want it to be an actual hotel. Question: Who has spoken the sentence 14? (A) User (B) System
[EX A]:
Answer: (A) User