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

Example Input: Sentence1: Yes, all of the listed entrance fees are 5 pounds. The Club Salsa is nice. Sentence2: Have fun! Goodbye! Sentence3: Club Salsa's address is 1 Station road and their phone number is 07782218745. Sentence4: No thanks. That's it. Sentence5: Location doesn't really matter. Is there an entrance fee? Sentence6: Yes, would you like to find a nightclub in the centre or south part of town? Most of them are in the centre. Sentence7: Club Salsa sounds right up my alley. Can I get the address and phone number please? Sentence8: Can you find information about nightclubs? Sentence9: You're welcome. Can I help you with anything else? Sentence10: Okay, great! Thanks for your help! Question: Who has spoken the sentence 7? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Is there any place to eat that serves Indian? Sentence2: Thank you so much. I think that will be it for today. You've been a great help. Goodbye. Sentence3: Yes, please book a table for 8 on Tuesday at 20:15. I'd also like the reference number, please? Sentence4: Yes could you please book that for me for 8 people and provide a reference number for the booking. Sentence5: Which area are you referring to? Sentence6: Which restaurant should I book? There are 5, in the west, that serve Indian food. Sentence7: Can you suggest one that has an expensive price range, please? Sentence8: I am looking to arrive by 17:15 on tuesday. Sentence9: Would you like me to reserve a table? Sentence10: I have the reservation booked at the restaurant. The reference number is 2YCEETCJ . Sentence11: We have many fine restaurants in the west, but I recommend Sala Thong, which serves Thai food. Would you like to book a table? Sentence12: I'm glad I could help. Have a wonderful trip and a wonderful day. Goodbye. Sentence13: Yes please book it for 8 people on tuesday at 20:15 Sentence14: Booking was successful, the total fee is 102.4 GBP payable at the station . Reference number is : AIM1QZ4C . Sentence15: I am looking for a train from Stevenage to Cambridge. Can you help me? Sentence16: I have found you a train that leaves at 15:54 and arrives by 16:43. Would you like this one? Sentence17: I would like it to be in the West of town. Sentence18: Yes, I recommend Tandoori Palace. It meets your specifications. Would you like to book a table? Sentence19: Thank you! I also am looking for a place to eat at in the west area. I would prefer a nice expensive one. Sentence20: Of course! What day would you like to leave and what time would you like to arrive? Question: Who has spoken the sentence 17? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Thanks! No that's it! Sentence2: Anything would be fine. Sentence3: I'd like to go to Emmanuel College from the restaurant. Sentence4: The address for bedouin is 100 Mill Road City Centre and the postcode is cb12bd. What kind of attraction are you looking for? Sentence5: I'm looking for a college, fairly close to the restaurant, if at all possible. Sentence6: Thanks for calling - and enjoy your trip! Goodbye! Sentence7: Your all set, look for a red lexus, the contact number is 07138753925, can I assist with anything else? Sentence8: There are many colleges in the area I recommend corpus christi it costs 2 pounds but is beautiful. A free college is emmanuel college. Can I help with anything else? Sentence9: I need a taxi to help me get around between the two areas. I want to leave the restaurant at 12:00. Sentence10: Do you have a certain type of cuisine in mind? Sentence11: i am looking for a restaurant in the expensive price range and should be in the centre part of town. Sentence12: Well, if you're interested in something unusual, we have the Bedouin, which serves African cuisine. Or there's the more traditional Cote, which serves French cuisine. Sentence13: first, let's determine which of the two colleges you would like to be your destination after the restaurant. Sentence14: Thank you what is the address and what is the pesticide for Bedouln. What fun attractions are near by? Question: Who has spoken the sentence 6? (A) User (B) System
Example Output:
Answer: (A) User