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

Sentence1: I don't need a ticket just yet. Can you tell me the total cost per ticket, though? Sentence2: I need it to go to cambridge and should depart from leicester. Sentence3: I want to find a hotel to stay at that has free wifi and is moderately priced. Can you help? Sentence4: There are 3 guesthouses that meet your needs. 2 of them have free parking along with the Internet, and one does not. Carolina Bed and Breakfast is very nice. Sentence5: Is there a particular area of town that you prefer? Sentence6: I hope to. Thanks again. Bye. Sentence7: Enjoy your trip. Sentence8: Im getting the info up now, what date and time? Sentence9: I'd like to arrive by 13:45 on sunday. Sentence10: The TR8285 arrives by 12:54. Would you like me to book this one? Sentence11: Have a nice day. Sentence12: Yes, I'd like to be on the east side. The hotel should have a 4 star rating please. Sentence13: Ok, Carolina B&B it is. Can you book me a room for 1 person staying 5 nights on Sunday please? Sentence14: Yes I also need a train. Can you help me? Sentence15: Your booking was successful and your reference number is BCT54NA8 . May I help you with anything else today? Sentence16: That will be all for the day, thank you. Sentence17: All available tickets cost 30.24 pounds each. What else can I do for you? Sentence18: Definitely. When were you wanting to travel? Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User

Sentence1: It's cb12bd. Anything else I can get you? Sentence2: How about something in the south and moderate price range? Sentence3: I'll take Rice House, what's the postcode? Sentence4: There are 3 cheap chinese restaurants in the centre of town: Charlie Chan, Rice House, or Golden House. Would you like me to book any of these? Sentence5: Sure let's try chinese food. Sentence6: I was not able to find any restaurants matching your requirements. Sentence7: I'm still not finding anything. Would you like me to search a different part of town or a different food type? Sentence8: You're welcome. Have a great day! Sentence9: That's all. Thank you. Sentence10: I am looking for a cheap gastropub restaurant in the centre of town Question: Who has spoken the sentence 6? (A) User (B) System
Answer: (A) User

Sentence1: Lets find a place first, I would like one in the north. Sentence2: Thank you, that is all for today. Goodbye. Sentence3: I'm sorry. I don't have any matching results. Would you like to try a different type of food, perhaps? Sentence4: What days would you like ? Sentence5: Yes, please try Chinese food instead. Sentence6: get me their phone number and address and whether they have free parking Sentence7: They are located at 66 Chesterton Road Chesterton in the north part of town. Zip code is cb41ep and their hone number is 01223366552. Sentence8: Bye. Thank you for using our services. Sentence9: Not at the moment but I would like their phone number and address with postcode. Sentence10: I'm looking for a place to dine. The restaurant should serve unusual food and should be in the same area as the hotel. Sentence11: There are three options available. I'd recommend The Hotpot. Would you like to book a table? Sentence12: acorn guest house is a great place to stay. Sentence13: Yes, Acorn Guest House has free parking. They are located at 154 Chesterton Road. Their phone number is 01223353888. Sentence14: I'm in the midst of planning my trip to Cambridge and need help finding a guesthouse that offers free wifi Question: Who has spoken the sentence 1? (A) User (B) System

Answer: (B) System