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

[EX Q]: Sentence1: Okay. Riverboat Georgina is a boating attraction in the north. How about that? Sentence2: I don't have a preference. I just need it in the same area. Sentence3: What star rating do you prefer? Sentence4: Booking was successful! Your reference number is 8GLX5O9J . Is there anything else I can do for you? Sentence5: Yes please, I need 2 nights for 8 people and we will be arriving on Tuesday. Sentence6: Looking for a hotel that is in the north part of town. Sentence7: I recommend the Alpha-Milton Guest House on 63 milton road. Would you like me to go ahead and book you a room? Sentence8: The hotel should be in the north and doesn't need to include internet.and should be in the moderate price range Sentence9: Can you help me find an attraction to visit that is in the same area as my hotel? Sentence10: Absolutely, their phone number is 01223902091. Sentence11: Sure, there are four attractions in the north. Do you prefer boat, park, or swimmingpool? Sentence12: Thanks. That's all I needed for today. Sentence13: That sounds great, could I get their phone number please? Sentence14: Okay, have a wonderful visit! Question: Who has spoken the sentence 1? (A) User (B) System
[EX A]: Answer: (B) System

[EX Q]: Sentence1: I prefer a gueshouse. Sentence2: I'm glad I was able to help you today! Thank you for contacting Cambridge TownInfo centre. Enjoy your trip! Goodbye! Sentence3: There are many places to stay that offer free parking. Do you prefer a guesthouse or hotel? Sentence4: No, but can you help me find a restaurant? I think it's called Meghna. Sentence5: Ahhh.. great, thanks! That's all I needed! Sentence6: Yes, they are at 154 chesterton road and can be reached by phone at 01223353888. Would you like me to book you? Sentence7: Great can you tell me the star rating of the hotel as well? Sentence8: Yes, that is a moderate priced indian restaruant in the west. Sentence9: Acorn Guesthouse has a star rating of 4. Would you prefer other options or would you like for me to book you? Sentence10: That's it! Can you give me the phone number and area, please? Sentence11: Can I please have their address and phone number? Sentence12: The acorn guest house would fit your needs would you like me to make a reservation for you Sentence13: Meghina's phone number is 01223727410. They are located in the west. Sentence14: Place to stay the night, with free parking and it doesn't need free wifi. Question: Who has spoken the sentence 2? (A) User (B) System
[EX A]: Answer: (A) User

[EX Q]: Sentence1: I'm looking for a place to eat in Cambridge. I'd like to eat light bites in the mid price range please. Sentence2: Thank you that is all I need today. Have a great day. Sentence3: Sure, can you book that for me? Starting friday, 2 nights, and 5 people Sentence4: I apologize for the delay. The system is up and the booking was successful. Your reference number is GXCM3S30 . Sentence5: Okay, how about some Italian food? That sounds good, too. Sentence6: Is there a certain area you prefer? Sentence7: That is all that I need. Sentence8: We have several is there a specific area or price range you'd like me to look at? Sentence9: Okay, I am happy to have assisted! Goodbye! Sentence10: I want a 4 star place with the same price range as the restaurant. And free parking as well. Sentence11: I would like to find a room as well, with free wifi. Sentence12: How about Finches Bed and Breakfast? Sentence13: anywhere should be fine. find me the postcode, phone number and location please. Sentence14: Hmmm. Nothing is coming to mind for light bites in that price range. May I suggest something else for dining? Sentence15: You should try Prezzo it is located at 21-24 Northampton Road in the West, post code cb30ad and their number is 0179952160. Do you need more help today? Sentence16: I apologize, but our hotel booking system is currently down. Can I help you with something else? Question: Who has spoken the sentence 5? (A) User (B) System
[EX A]:
Answer: (B) System