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

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
Answer: (A) User

Sentence1: I'm looking for a nice Italian restaurant. Nothing too expensive...like mid range? Sentence2: Nope, I think that will do it. Thank you so much! Sentence3: Okay, I have booked you at Pizza Express with reference number NK86VOJY . May I help with anything else? Sentence4: I don't care about the area. Could you book a table for 5 at 12:30 on Sunday? Sentence5: I have listing for 5 different ones,can I get what area you are looking for? Sentence6: You are welcome. Have a good day. Question: Who has spoken the sentence 2? (A) User (B) System
Answer: (A) User

Sentence1: Sorry, there are no rooms available for your specifications. Do you want to try a different day or a shorter stay? Sentence2: I also need to find something called gonville and caius college, can you help? Sentence3: I am looking for a gueshouse to stay in during my visit. I would like for it to be in the east section of town. Sentence4: There are no 4 star expensive guesthouses on the East side of town. Would you be interested in a cheap or moderately priced one instead? Sentence5: Try for 1 night instead. If that works, can I have the reference number? Sentence6: You are welcome. Have a pleasant stay. Sentence7: No problem, the postal code is cb21ta. Did you need the phone number as well? Sentence8: How about the Autumn House for 1 night starting Saturday and your reference number is SVCIWLWA . Sentence9: Yes please. Can you book the reservation for Saturday for 5 guests for a 2 night stay. Thanks. Sentence10: No thanks - I'm all set. Thank you for your help today. Sentence11: There are six entries, do you have any other preferences in hotel choice? Sentence12: Gonville and Caius College is located in the center of town on Trinity Street. Anything else I can do for you? Sentence13: I'd like a 4 star place that's on the pricier side. Sentence14: Autumn house is cheap and has free internet and parking. Would you like me to book a reservation for you? Sentence15: I would like one that is cheap then. Sentence16: Can I get the postcode? Question: Who has spoken the sentence 2? (A) User (B) System

Answer: (A) User