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

Ex Input:
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 Output:
Answer: (A) User


Ex Input:
Sentence1: Sorry, actually, can you please just send me their phone number? Sentence2: How about visiting one of our many architecturally important churches? May I offer you a list? Sentence3: I need to find places to go. Can you aid me? Sentence4: Thank you for contacting us and have a nice day. Sentence5: I wouldn't know this. Sentence6: Thanks, i'm also looking for a place to stay with free parking. Sentence7: I recommend the allenbell. It's a cheap guesthouse that is located in the east like your attraction is. It has free parking and wifi. Shall I book for you? Sentence8: I'd like you to book the allenbell. Before I do can you tell me how far is it from the theater? Sentence9: I need a hotel or guesthouse with 4 stars that has free wifi, can you make a recommendation based on that? Sentence10: I had no preference going into this, but lets try east since the museum is there. Sentence11: Thank you so much for your help. That is all that I need today. Sentence12: There are 4 museums there. The cambridge artworks, gallery at twelve a high street, and saint barnabas press gallery are all free. The cambridge museum of technology is 5 pounds. Sentence13: No but quality matters, are any of them 4 stars? Sentence14: I'd like a guesthouse, 4 stars. Area doesn't really matter. Can you recommend anything? Sentence15: There are about 6 places you can choose. Are you wanting a specific price range? Sentence16: I can book that for you but need to know how many people, when and how many nights. Sentence17: there are 16 available. the one that is a beautiful place and is really inexpensive is the limehouse guesthouse. do you need a room? Sentence18: How about a museum Sentence19: There are a couple museums, some entertainment venues, and a boat. Do any of these interest you? Sentence20: No booking, just get me the phone number. Sentence21: There are 10 different entries for that area. Are you looking for something specific? Sentence22: What attractions are in the East ? Sentence23: The Cambridge Artworks sounds good. Can I get the address and phone number please? Sentence24: Yes there are five hotels in the area that are 4 star hotels. Would you like me to list them for you? Sentence25: No problem at all. The phone number for Allenbell is 01223210353. Sentence26: I should very much like to explore the East, what is located there? Sentence27: The cambridge artworks is at 5 greens road, cb13ef. The number there is 01223902168. Sentence28: What area of town would you like to stay in? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: That sounds good, I have a group of seven and we want to eat at 20:00 on Friday. Sentence2: I want one in the certre area and in the moderate price range. Sentence3: Thank you goodbye. Sentence4: Unfortunately I wasn't able to get the reservation for you. Would you like me to try somewhere else? Sentence5: I've heard good things about Riverside Brasserie, they serve Modern European cuisine. Would you like to see if they have tables available? Sentence6: I have found some restaurants. They serve asian oriental, british, chinese, european, gastropub, international, italian, lebanese, modern european, spanish, and turkish. Sentence7: Can you help me find a restaurant please? Sentence8: Good news! Booking was successful. The table will be reserved for 15 minutes. Reference number is : ZXIRY17R . Sentence9: Thanks for all your help. Good bye. Sentence10: That would work, please book that. Sentence11: I don't care what type of food they serve. What would you recommend? Sentence12: What about the Copper Kettle? They serve British cuisine. Sentence13: Certainly, to narrow it down, do you have a preference for what part of the city it is in or what type of food is served? Sentence14: Can you recommend another moderately priced restaurant located in the centre? Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:

Answer: (B) System