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

[EX Q]: Sentence1: Yes, that sounds great! Can I get it for 8 people for 3 nights please, we'll be arriving Tuesday. Sentence2: Great. Are there any trains that go directly from Cambridge to Norwich? Sentence3: Thank you for using our service. Have a good day. Goodbye. Sentence4: Yes, there are several. The trip time is 79 minutes and the cost is generally 17.60 pounds. Can I tell you anything else? Sentence5: I am looking for a guesthouse please. Sentence6: Would you like to try the Alpha-Milton Guest House located in the North? Sentence7: No, that's everything I needed. Sentence8: Any area as fine, as long as it has 3-star accommodations. Sentence9: How about for 2 days? If it's available will you please book and provide a reference number? Sentence10: I'm sorry, the hotel is unable to accommodate your party. Can you arrive on a different day or stay for a different number of days? Sentence11: In what area would you like it to be? Sentence12: I have successfully booked it for 2 days, and your reference number is OUKN0U42 . Question: Who has spoken the sentence 6? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Can I get some information about visiting Great Saint Mary's Church? Sentence2: Thanks. I am also looking for an expensive place to eat in the centre. Sentence3: Booking was successful. The table will be reserved for 15 minutes. Reference number is : XWZ8N8GF . Anything else I can do? Sentence4: Sure, there are plenty of places in the area. Did you have a particular type of cuisine in mind? Sentence5: Sure, is there anything specific you'd like to know? Sentence6: What is the entrance fee for that attraction? Sentence7: This is found in the center of town. Their phone number is 01223350914 and their postcode is cb23pq. Sentence8: Admission to Great Saint Mary's Church is 2 pounds. Sentence9: Definitely, Please book me for 7 people at 14:45 on wednesday. I also would like the reference number. Sentence10: No, just expensive in the centre. Recommend one for me. Sentence11: Thanks! That's all I needed. Sentence12: I'd really like to visit Great Saint Mary's Church. Could you give me some information about it? Sentence13: You should try dining at kymmoy, an asian oriental restaurant located at 52 Mill Road City Centre. Would you be interested in booking a table? Sentence14: You're welcome! Have a wonderful day. Question: Who has spoken the sentence 12? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: Absolutely. Their address is Milton Country Park, Milton. Is there anything more I can help you with? Sentence2: Great, there is a cheap Italian place in the north part of town called Da Vinci Pizzeria. Would you like a reservation? Sentence3: There are five cheap italian restaurants in town. Is there a particular area you prefer? Sentence4: Sounds good. Could you also help me find a cinema in the same area? Sentence5: Can I get their address please? Sentence6: what is the entrance fee? Sentence7: Yes, please make one for 7 people at 17:45 on Thursday. Sentence8: Hi, I'd like to find a cheap italian restaurant, please. Sentence9: Their fee is free. Is there anything else I can help you with? Sentence10: I have booked your ride, it's a yellow tesla and the contact number is 07623087287. Sentence11: I have your table reserved at the requested day and time. It will be held 15 minutes for you. The reference number is: UB24W3TP . Sentence12: I prefer the north area of town. Sentence13: Yes, there is Milton Country Park in the north. It is free to enter. Sentence14: I'd also like a taxi. I'd like to arrive to the restaurant by the booked time, please. Sentence15: I'm sorry. There are no cinemas in that part of town. Would you like to try a different type of attraction? Sentence16: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence17: Thank you, you've been very helpful! That's all I'll need today! Sentence18: Darn! I really wanted to go to the cinema. Is there a park located in that area? Question: Who has spoken the sentence 8? (A) User (B) System
[EX A]:
Answer: (A) User