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: Booking was successful, the total fee is 75.59 GBP payable at the station . Reference number is : LQKC8QD2 . You'll be on the TR1193 which will arrive at 12:54. Sentence2: Thanks for helping me, I am all set. Sentence3: Are you looking for a place to visit, eat or stay? Do you need transportation? Sentence4: Can you book 2 tickets for a train that arrives closest to 13:00 please? Sentence5: Great, thank you for visiting us and I hope that you enjoy your stay. Sentence6: I am looking for information in Cambridge Sentence7: I found 7 trains that match your criteria. How early do you want to leave? We have trains running every hour from 05:09 to 11:09 Sentence8: I'm interested in any boats on the westside. Sentence9: Okay great! I also need a train. Can you assist me with that? Sentence10: There are a number of colleges in the west. I suggest magdalene college on magdalene street, cb30ag. Phone is 01223332138. Entrance is free. Sentence11: Sure, I am going to be travelling from Leicester to Cambridge on Monday. I need to arrive by 13:00. Sentence12: Okay what about any atttaction that is in the type of college and if available may i have the entrance fee, phone number and postcode. Sentence13: Yes, I need more information on your trip first. Sentence14: There are no boats on the west side of town right now, do you have something else you'd like to try? Question: Who has spoken the sentence 8? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I think you'd like TR8842 train, it costs 23.60 pounds. Sentence2: Thanks, it would be helpful if you also told me what time TR8842 leaves. Anyhow, I just got paid. Can you find me a high-end eatery serving European cuisine? Sentence3: No thank you. I'll just need the address for an expensive restaurant that serves European food. Sentence4: Train TR8842 leaves london kings cross at 15:17 on friday and arrives at cambridge at 16:08. Can I provide you more information or book it for you? Sentence5: Arrival time is not important. I just need to leave after 14:15. I will need the train ID and the price, please. Sentence6: Sorry! As I said, it's at Free School Lane City Centre. Can I help you with anything else? Sentence7: Hi, could you help me find a train going to Cambridge? Sentence8: Is there a time you would like to arrive by? Sentence9: Where and when are you departing from? Sentence10: I would like to leave on Friday Sentence11: No, that's it. Thank you. Sentence12: which side of town is most appropriate for you? Sentence13: Have a lovely day, goodbye. Sentence14: I am leaving from London Kings Cross after 14:15. Sentence15: I'm sorry, but I think you gave me the phone number. I need the address, please. Sentence16: I don't have a preference really, please recommend one. Sentence17: no. i just need the address Sentence18: What day would you like to leave? Sentence19: its address is 01223368786. is that it? Sentence20: How about the eraina located at Free School Lane City Centre. Would you like reservations? Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Hello! I'm looking for the Parkside Police Station. Do you know where that is? Any additional information would be helpful. Thank you! Sentence2: No that is exactly what I needed. Thank you for your help. Sentence3: Have a nice day! Sentence4: Thanks, you too! Sentence5: Thank you! Sentence6: Yes mam, the address is Parkside, Cambridge with a postcode of CB11JG.The phone number is 01223358966. Would you like any more info ? Question: Who has spoken the sentence 1? (A) User (B) System


Output: Answer: (B) System