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: The address for that is 6 trinity street. Sentence2: I don't need to make the reservation now. Thank you though. I would like the address for Cambridge Contemporary Art please. Sentence3: Can you help me find a train coming from cambridge leaving on thursday? Sentence4: How many tickets please? Sentence5: I want to arrive by 21:30 if possible. Sentence6: Yes I have many options. What time would you like to leave or arrive by? Sentence7: Train TR3255 is arriving at 21:06,is that okay for you? Sentence8: Thanks for using our service today, glad I was able to assist you. Hope you have a great day. Sentence9: That could work for me. Sentence10: thank you, that will be all. good bye. Sentence11: I will be going to Leichester. Sentence12: There are 202 trains departing Cambridge on Thursday. Where do you plan to head to that day? Question: Who has spoken the sentence 3? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I would like a 1 star hotel. Sentence2: I recommend the acorn guesthouse it's located at 154 chesterton road and their number is 01223353888. Is there anything else I can help you with today? Sentence3: The area doesn't matter. If you could give me the name, phone number and address of a 4 store hotel; that would be fine. Sentence4: Clare Hall address is herschel road in west area, postal code cb39al. I hope this helps today. Sentence5: The phone I have listed is 01223332360. Can I hlep with anything else today? Sentence6: we have quite a few, clare hall is one of my favorite's Sentence7: There are several 4 star hotels. Do you have a particular area in mind? Sentence8: Yes, can you recommend a college I could visit while I am there? Sentence9: I sure can. Are there any other requirements you'd like to include in your search? Sentence10: I am sorry but could not find a 1 star hotel with your needs. If there is anything else I can help you with let me know, thaks. Sentence11: I need to find a hotel with free wifi to stay at. Can you help me? Sentence12: Um, how about the address too please? Sentence13: ok, try a 4 star hotel. Sentence14: That sounds good. Can I get their phone number and address please? Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]:
Answer: (A) User