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

Example Input: Sentence1: No thank you. You have helped tremendously. Sentence2: What is the address and postcode, please? Sentence3: Can you help me? I was in a car accident dispute. Sentence4: The Parkside Police Station's phone number is 01223358966 Sentence5: you are welcome Sentence6: The address is Parkside and the postcode is CB11JG. Can I help you with anything else? Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Which day would you like to leave? Sentence2: i want to leave on friday Sentence3: I'm looking for a decent place to dine in Cambridge please. Sentence4: Their phone number is 01223324033 and address is Regent Street City Centre. Was there anyting else I could help you with? Sentence5: I would like to book a train to ely, from cambridge. Sentence6: The train should leave after 11:15. Thanks Sentence7: We have 15 italian places Cambridge, do you have and needs as far as area and pricing? Sentence8: how about canapes food? Sentence9: What type of cuisine are you interested in? Sentence10: Sorry, we don't have any places serving canapes food. Would you like to search for something else? Sentence11: Could you please try for Italian ? Sentence12: No thanks. I just need the address, postcode, and phone number for this restaurant please. Sentence13: There are 10 trains that meet your criteria. Do you have a departure time or arrival time in mind? Sentence14: We have a great place on Regent Street City Centre called Pizza Express that you are sure to love. Would you like me to make reservations for you? Sentence15: Train TR0767 leaves Cambridge at 11:50 and arrives at ely at 12:07. The fare is 4.40 pounds. The travel time is 17 minutes. Do you want me to book this? Sentence16: Have a lovely day, goodbye! Sentence17: no thats all the information i needed. thanks Sentence18: Lets try for a moderately priced place in the centre. Question: Who has spoken the sentence 17? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Sure. We have the Ashley Hotel and the Lovell Lodge, both moderately priced. Sentence2: Wait, before you go, can you give me the phone number and address of the Ashley Hotel? And do they have internet there? Sentence3: Glad to be able to help. Don't hesitate to get in touch if you need anything else. Sentence4: I can certainly help you with that. Where are you departing from/going to and what times do you need to leave and arrive by Sentence5: I'm going from Cambridge to London Kings Cross on Monday. I'd like to be there by 18:30 if possible. Sentence6: I would also like to book a train please. Sentence7: Thank you for using Cambridge TownInfo centre. Please consider us for your future travel needs? Sentence8: I am coming to cambridge and need a hotel in the north area. Can you find me one? Sentence9: Thank you. That is all I needed. Goodbye. Sentence10: Okay, thank you for your help. Goodbye. Sentence11: The Ashley Hotel is located at 74 chesterton road with a postal code of cb41er and their phone number is 01223350059. Sentence12: None. Both parties hung up the phone. Sentence13: Sounds perfect. Can I get 5 tickets please? Sentence14: TR7786 will get you there at 17:51. Would you like me to book that for you? Sentence15: Have a great day. Goodbye. Sentence16: Definitely. Your are booked for 5 with a total of 118 GBP payable at the station. Reference number is VOU7M1EH . Question: Who has spoken the sentence 7? (A) User (B) System
Example Output:
Answer: (B) System