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

Example Input: Sentence1: Let us know if you need anything else. Sentence2: Certainly, the address for Cityroomz is sleeperz hotel, station road postcode cb12tz. Is there anything else I can help you with? Sentence3: Great. Could you please tell me the entrance fee? Sentence4: im glad to have satisfied you Sentence5: I have 1 hotel and a 2 guesthouses available. Do you have a preference on the area or if it is a hotel or guesthouse? Sentence6: Thanks again. That's all I needed. Sentence7: There is no entrance fee. Sentence8: Cityroomz meets that description. Would you like to book it? Sentence9: May I please have the address and postcode for Cityroomz? Sentence10: Are there any nearby museums? Sentence11: The cambridge contemporary art museum is nearby. Sentence12: Wonderful! That is all I needed. Thank you so much! Sentence13: I would prefer a hotel that is in the centre of town and moderately priced if that helps narrow it down. Sentence14: Hi, I'm looking for a hotel, a 0 star hotel is fine as long as it includes free wifi. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: You are booked for a black skoda. Is there anything else? Sentence2: Thank you for your help Sentence3: Could you give me the contact number for the skoda, please. Sentence4: I'd be happy to book that for you, where are you departing from? Sentence5: No, that is it. Goodbye. Sentence6: Booked car type : black skoda Contact number : 07129813049 Sentence7: I would like a taxi to limehouse. I need to arrive by 7:15. Sentence8: You're very welcome. Do you need any further assistance? Sentence9: Thanks for using our services. Sentence10: I am leaving from nusha. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: No specific area, but I would like it for Friday. Sentence2: TR0035 arrives by 08:09. Does that work for you? Sentence3: And where will you be coming from? Sentence4: I'll be coming from Peterborough. All 7 of us will need tickets for the train. Sentence5: Hi, I am looking for a restaurant that is expensive and serves European food. Sentence6: Yes, please include the reference number. Sentence7: Thank you, that is all for today. Goodbye. Sentence8: I'd like to make reservations for 7 people at 11:15 on Friday please. Sentence9: Yes of course, the reference number for the train is MU82CCWU . Sentence10: Okay, I recommend City Stop Restaurant. What time would you like the reservation for and for how many people? Sentence11: I show 5 listings. Would you like a certain area of town? Sentence12: Have a great day! Sentence13: Thanks, I'm also looking for a train for Friday that goes to Cambridge and arrives by 08:15. Sentence14: You have a table reserved for 7 on Friday at 11:15. Your reference number is V2IWL8VW . Question: Who has spoken the sentence 1? (A) User (B) System
Example Output:
Answer: (B) System