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: Yes, there are 2 in the north, 1 in the east and 1 in the centre. Which would you be interested in? Sentence2: Train TR8464 leaves at 11:21 and arrives at 12:10. Would you like to book that one? Sentence3: Actually none of the pools in our database have an entrance fee listed. Is there anything else I can help you with? Sentence4: Im leaving from Cambridge and going to Stevenage. Sentence5: I'm looking for a train to stevenage, leaving on Sunday. Sentence6: Do you have entrance fees for any of the others? Sentence7: No, I need to leave some time after 14:30, and I'll be traveling to Cambridge. Sentence8: Thank you for contacting Cambridge TownInfo centre. I hope you have a pleasant trip! Goodbye! Sentence9: No thank you that is all the information I need today. Sentence10: Before we do that are there any attractions that feature a swimming pool in town? Sentence11: There are many trains at that time, where are you leaving from? Sentence12: What is the name, entrance fee, and phone number of the one in the center? Sentence13: the 1st train out of cambridge going to stevenage is at 15:21 arriving at 16:10. shall I get a ticket for you? Sentence14: The name is Parkside Pools. The entrance fee is not listed in our database, but you could probably get it by calling them at 01223446100. Question: Who has spoken the sentence 8? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: There are several nice expensive restaurants in the centre area. Is there a particular food type that interests you most? Sentence2: I am looking for a train that departs from Cambridge and leaves after 21:45. Sentence3: Thank you. That is all for now. Sentence4: How about the 22:40 train? It gets in at 23:08. Does that work? Sentence5: It is stansted airport. Sentence6: I am sorry none of the listings have tables available for that time, is there another time that will work? Sentence7: Sure. Kymmoy, a good Asian Oriental restaurant has space. You are reserved and your reference number is L7HRCY1K . Can I help with anything else? Sentence8: 10.10 pounds, and it's TR3864 Sentence9: Yes I need the price also. Sentence10: I don't have a preference. I need a table booked for six people at 13:45 on Thursday, though. Sentence11: No, that is all I need, thank you. Sentence12: Thank you so much for using our service. Have a good day. Goodbye. Sentence13: How about 12:45 instead? Sentence14: I need to book a nice expensive restaurant in the centre please. Sentence15: Are you certain I can't help with anything else right now? Sentence16: I can help you with that. What is your destination? Question: Who has spoken the sentence 10? (A) User (B) System
Output: Answer: (A) User