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

[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: I am looking for a train that will depart from Norwich on Sunday Sentence2: Sure thing! Your table is reserved. Your reference number is OY2LNXFW . Is there anything else I can assist you with today? Sentence3: I am traveling to Cambridge and would like to find a local restaurant. I want to arrive by train at noon. Sentence4: TR4202 is the one that leaves at 7:16 and it costs 14.08 pounds per ticket. Would you like me to book it for you? Sentence5: No, that will be all. Thanks! Sentence6: Hi there, let's start with the train arrival, where would you be travelling from? Sentence7: How about 7:16? What is the price? Sentence8: The copper kettle will be fine. Yes please book a reservation. Sentence9: Goodbye and have a good day. Sentence10: Yes that would be great. I am also looking for a place to dine for the night. Do you have any suggestions? Sentence11: Is the restaurant moderately priced? If so, please book a table for 5 at 18:00 and send me the reference number. Sentence12: My recommendation would be the Ugly Duckling, a Chinese restaurant in the centre of town. It is located at 12 St. Johns Street City Centre. Sentence13: No, I'm sorry the ugly duckling is in the expensive price range. The copper kettle serves british food and is moderately priced. Would you like a reservation for it? Sentence14: There are trains every hour on the :16 that will get you there by noon, beginning at 5:16. Which would you prefer? Question: Who has spoken the sentence 12? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: It is listed as entertainment. Sentence2: Thank you so much for your help! We will arrive there at Frankie and Bennys ,17 :15 on Thursday. Is it close to funky fun house? We are looking for that Sentence3: Can we try another day or time slot? It appears this one is full. Sentence4: I do not know the answer to that, sorry. You can call them at 01223304705 for further clarification. Again, I'm really sorry for the inconvenience. Sentence5: Actually, could you see if there is an Italian one? Sentence6: I've booked your reservation at Frankie and Bennys Thursday at 17:15 for a party of 5. Your reference number is 6FX43AF8, your table will be held for 15 minutes. Sentence7: Is there something else I can help you with? Sentence8: What kind of attraction is Funky Fun House? Sentence9: Of course. There are 5 restaurants in the south that are expensive. 2 Chinese, 2 Indian and 1 Mexican. Do you have a preference? Sentence10: No, I'm sorry. Would you like me to check in another part of town? Sentence11: Yes, again, their phone number is 01223304705. Sentence12: Should i just call them directly for more info? Sentence13: I am looking for a restaurant in the south part of town in the expensive price range. Can you help me find one? Sentence14: Can you try to book for 17:15? Sentence15: Funky Fun House is in the east area of town. Sentence16: OK, have a great day. Please contact me again if I can help you further. Good bye. Sentence17: There is a restaurant called frankie and bennys. Would you like me to book it for you? Sentence18: Hmm, well I am really wondering what the Funky Fun House is as for as attraction type. It doesn't give any additional info on that? Sentence19: That is fine, I will contact them. Thank you. Sentence20: Yes, can you put me down for a party of 5 at 18:15 this Thursday? Sentence21: Don't you have one that serves south african food? Sentence22: Great, thanks. That's all I needed. Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]:
Answer: (B) System