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

Input: Consider Input: Sentence1: How about Italian food instead and could I have the phone number if you find a restaurant Sentence2: There are no matching restaurants. Would you like me to perform another search? Sentence3: Prezzo is a moderately priced Italian restaurant in the west side of town. The phone number is 01799 521260. Sentence4: Thank you, goodbye. Sentence5: West side of town. Sentence6: Thank you good bye Sentence7: I want a restaurant with corsica food please. Sentence8: What is the area you would like? Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: Tuesday, going to Cambridge please. Sentence2: The TR8685 arrives by 5:52 and costs 4.40 pounds. Can I book some seats for you? Sentence3: You're welcome. Have a great day. Goodbye. Sentence4: The Broughton House Gallery is located at 98 King St and has free admission. Sentence5: The train should leave on tuesday and should go to cambridge and arrive by 10:15 Sentence6: Thank you, that sounds fine. I see you have included the address and the entrance fee. That's all I need. Thanks very much. Sentence7: Great thank you I also am looking for some place to go in the centre of town. Sentence8: Please for 8 people. Sentence9: I'm looking for a train that arrives by 10:15 and departs from Ely Sentence10: Your booking was successful. The total fee is 35.2 GBP pounds payable at the station and your reservation number is 1OBF5WF2 Sentence11: No problem! What day would you like to leave? Sentence12: Any departure time in mind? Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: I cannot find the info on free wifi or not, I apologize. Sentence2: Is that in the west area. I really would like to be in the west. Sentence3: There are quite a few hotels that meet that requirement. Do you have a preference on what part of town you'd like to be in? Sentence4: Is there anything else I can help you with? Sentence5: You're welcome. Have a nice day. Sentence6: I really don't. Do you have any recommendations? Sentence7: No, that's good thank you for all of your help. Sentence8: curry garden is a nice place to dine. Do you want to book ? Sentence9: Here is one in the west. Will this work for you maharajah tandoori restaurant. Sentence10: I will recommend the huntingdon marriot hotel to you. It is a 4 star hotel with free parking and wifi and has excellent reviews though expensive. Sentence11: I don't want to book it just yet. Thanks for all your hard work. Sentence12: Done! Your reference number is 2AYFR5LL . Do you need help with anything else? Sentence13: Great. I would like that. Can you book us for 8 people on Thursday at 16:45? Sentence14: I'm also looking for a hotel. I need free parking. It can be an expensive place. Sentence15: My mistake. Yes, there is free internet. Would you like for me to book it for you? Sentence16: I'm actually looking for an expensive restaurant that serves Indian food Sentence17: It should be right there under internet... Sentence18: Does that include free wifi? Question: Who has spoken the sentence 3? (A) User (B) System
Output: Answer: (B) System