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

Sentence1: There's a Parkside Police Station in town, right? Sentence2: Thanks! Also, can you give me the exact address to the station? Sentence3: The only address listed is Parkside, Cambridge. It does not give an exact address, I'm sorry to say. Sentence4: I will also need the postcode please. Sentence5: No, that's all thank you Sentence6: Sure, the postcode is CB11JG. Sentence7: Yeah, sorry for the inconvenience. Can I do anything else for you though? Sentence8: Yes, it is located at Parkside, Cambridge. Sentence9: Wow. That is very odd. Sentence10: Thanks. I need the phone number and postcode too. Sentence11: Sure thing. They are located in Parkside, Cambridge and the phone number is 01223358966. Sentence12: You're welcome, have a great day Question: Who has spoken the sentence 9? (A) User (B) System
Answer: (B) System

Sentence1: Yes I was able to do this and the reference number is J7S65ALV . Sentence2: Ok. Thank you and good bye. Sentence3: i need information of a hotel called allenbell. Sentence4: I am also looking for an entertainment place. Sentence5: Sure, great guesthouse on the east side. 4 stars but still cheap. Sentence6: Would you like the attraction in the same area as the guesthouse? Sentence7: My favorite is Nusha. It's in the south. Unfortunately, I don't have the information on their entrance fee, but I can give you their phone number, if you like. Sentence8: That would be fine. I think that's all I need. Thanks for your help! Sentence9: That doesn't really matter. What's the entrance fee and area for your favorite entertainment place? Sentence10: Could you make a reservation for 8 people for 5 nights starting Tuesday? I will also need the reference number. Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User

Sentence1: You're very welcome! Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence2: Yes, can you tell me the postcode for the Riverboat Georgina, please? Sentence3: I do not have a preference. Sentence4: No, that'll do it for today. Thanks very much for your help! Sentence5: Certainly, we have several interesting boats. Is there an area of town that you prefer? Sentence6: There's Camboats, Riverboat Georgina, Scudamores Punting Co., and The Cambridge Punter. Would you like more information on any of these? Sentence7: I'm looking for boating activities in town. Sentence8: Sure. It is cb43ax. Is there anything else I can help you with? Question: Who has spoken the sentence 4? (A) User (B) System

Answer: (A) User