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: Okay. Sorry for the mix-up. Thanks for checking. Sentence2: The travel time is 105 minutes and the cost is 37.80 pounds. Sentence3: I'm looking for something in the expensive price range. Sentence4: I would like to recommend Ugly Duckling. Would you like me to make reservations for you? Sentence5: Yes, a table for 1 at 20:30. But could you check the train again? I need to leave from Liecester, not arrive there. Sentence6: No you have been a great help, thanks. Sentence7: TR6723 leaves on monday from cambridge arriving in leicester at 16:06. Would that work for you? Sentence8: Now that your reservation at Ugly Duckling is taken care of, is there anything else I can assist you with today? Sentence9: We have 77 options available. Is there a certain day you want to travel? Sentence10: I have your table for 1 booked at the Ugly Duckling, Monday at 20:30. The reference number is YDG81NJ5 . Just a moment while I check on the train. Sentence11: Yes, I'd like to leave on Monday, going to Cambridge from Leicester. Sentence12: It was a pleasure to help you. Thanks for using our service. Goodbye. Sentence13: Okay, I also need a Chinese restaurant in the centre, please. Sentence14: Could I have the travel time and price for that particular train? Sentence15: Yes I can book that for you if you would like. Sentence16: I have 10 restaurants in the centre area that have chinese. Do you have a certain price range in mind? Sentence17: Yes, that would be great. Thank you. Sentence18: I am looking for a train that leaves Cambridge going to Leicester arriving by 16:15 Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System


Input: Consider 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

Output: Answer: (A) User


Input: Consider Input: Sentence1: Yes, that would be fine. I don't need tickets, I just need the travel time, price, and train ID. Sentence2: I need a train that is headed to london kings cross and i need to arrive by 20:30. Sentence3: Thank you! I also need to find a moderately priced restaurant in the centre of town. Do you have any suggestions? Sentence4: That's all I need assistance with today. Thank you. Sentence5: The train id is TR0427, it leaves cambridge at 19:00 and arrives at london kings cross at 19:51. The cost is 18.88 pounds. May i be of further assistance. Sentence6: The TR8134 leaves at 17:00. Will that be okay? Sentence7: sure, where are you headed? Sentence8: I can help with that. What day will you be travelling? Sentence9: Unfortunately, I am unable to book at this time. Sentence10: I will be leaving Saturday. Sentence11: I need to book train tickets. Sentence12: There are quite a few to choose from. Do you have a cuisine preference? Sentence13: Thank you for your time. Sentence14: Sure! It will be 7 people at 16:00 on saturday. Please give me the reference number. Sentence15: I was able to reserve a spot for you at Restaurant One Seven. Here is your reference number, 3HSTWXS7 . Sentence16: No but I need it for 7 people on the same day. Sentence17: the oak bistro is a moderately priced british restaurant in the centre. Would you like me to complete a booking there? Sentence18: i would like to leave at 16:20 Sentence19: We have 8 trains to London Kings Cross that day. Is there any particular time you'd like to leave by? Sentence20: You are welcome enjoy. Question: Who has spoken the sentence 10? (A) User (B) System


Output: Answer: (A) User