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: Great. You should expect a blue volkswagen . You can contact them on 07261965496 Sentence2: Where will you be headed? Sentence3: Thank you! That's all I need for now. Sentence4: Great, I hope you have a great visit! Sentence5: I'll be headed to the Cherry Hinton, of course. Sentence6: THanks so much you have been a huge help. Sentence7: Can you help me find a moderately priced restaurant in the center of town? Sentence8: How about asian oriental that is in the moderate price range located in the centre of town? Sentence9: cool I would need the address, postcode, and phone number. Sentence10: There is no information on the entrance fee since there are a variety of facilities. Anything else I can help with? Sentence11: How about the cherry hinton village centre? Sentence12: Sure, I can help with that. Is there a certain cuisine you are looking for? Sentence13: That sounds perfect! Do you know the entrance fee? Sentence14: Have a nice day. Good bye. Sentence15: Okay, great. I'm also looking for an attraction in the same area. I'd like it to be multiple sports. Sentence16: No preference really. whatever you recommend Sentence17: Okay, the yippee noodle bar is at 40428 King Street City Centre postal code cb11lh and it's number is 01223518111. Is there anything else I can help you with? Sentence18: I need to book a taxi to commute between the 2 places. I want to leave the restaurant by 14:30. Question: Who has spoken the sentence 15? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Thank you so much. That is all I will need today. Sentence2: Great, how many tickets would you like to purchase? Sentence3: That would be perfect! Sentence4: I am looking to go from cambridge, and go on friday arriving by 14:30 Sentence5: Okay, how about the TR5901 leaving at 13:34 and arriving at 14:24 with a duration of 50 minutes? The cost is 16.50 pounds. Would that work for you? Sentence6: There are 266 trains going to Peterborough. Can you give me a departure day and time so that I can narrow down your choices? Sentence7: Your tickets are all booked, reference number R5P65TW5 Sentence8: I'd like to find a train to peterborough. Sentence9: Thank you for contacting Cambridge TownInfo centre. Have a wonderful day! Sentence10: 7 tickets please. Can I also have the reference number for the booking? Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Yes, Can you send me the address? Sentence2: There are hourly trains on that route every day from 5:01. Do you know what day and time you'd like to travel? Sentence3: The entrance fee is not listed. Their phone number is 08451962320 and postcode is cb11pt. Where will your train be departing from and arriving to? Sentence4: We have four theatres to choose from, I personal recommend the mumford theatre, would you like more information? Sentence5: I'm looking for a theatre in the centre. Sentence6: The reference number is OLH83LVT Sentence7: Can I also get the entrance fee, postcode, and phone number? I also need a train. Sentence8: I'm going to broxbourne and departing from cambridge. Sentence9: Thank you so much! Goodbye. Sentence10: Thanks for using our service! Sentence11: Oh, I need to leave on Tuesday and need to arrive in Broxbourne by 18:30. I need to book for 5, with a reference number please. Sentence12: The address is anglia ruskin enterprise, east road. Do you need anything else? Question: Who has spoken the sentence 8? (A) User (B) System


Output: Answer: (A) User