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: The address of Old Schools is Trinity Lane in the centre. Would you like more info? Sentence2: What kind of attractions are available in the centre? Sentence3: Could I get the address please? Sentence4: You're welcome! Enjoy your visit! Goodbye. Sentence5: How about any that are about architecture? Sentence6: Thank you that is all I needed. Sentence7: Yes, may I have the phone number and postcode? Also, is there an entrance fee? Sentence8: Are there any places that have multiple sports? Sentence9: There is the Holy Trinity Church on Market Street. It is free to get in. Sentence10: The phone number is 01223332320 and the entrance fee is free. The post code is cb21tt. Sentence11: Sorry there are no listings for multiple sports,can I check in another area? Sentence12: There are several. I like Old Schools on Trinity Lane. Great place to see. Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: I'll be leaving from Leicester and want to go to Cambridge. Sentence2: Booking was successful, reference number is YN5MH1ZN . Anything else I can help you with? Sentence3: Where are you departing from and what is your destination? Sentence4: I need a hotel in the north that has free parking. Sentence5: There are 11 different hotels. To help narrow it down, can you tell me if there is a price range you prefer? Sentence6: All right. I need a booking for six, please, and the reference number. Sentence7: Yes it is. Sentence8: There are 91 trains leaving Leicaster to Cambridge after the specified time. How does Friday 11:09 sound? Sentence9: No thank you that will be all. Thank you for your help in booking my trip and stay! Sentence10: How about the Acorn guest house on 154 Chesteron Road? It's a moderate price range guesthouse that is rated 4 stars with free parking and wifi. Sentence11: Perfect. I'd like to book a 5 night stay for the six of us. Sentence12: Great. Is this hotel stay also starting on Friday? Sentence13: No problem! You have a wonderful day! Sentence14: I'm looking for a train leaving after 10:30. Sentence15: No not really, I would prefer a guesthouse type of hotel with free wifi though. Sentence16: I was able to book the train for you for 6 people. The reference number is 7QAMUGHQ . Do you need anything else? Question: Who has spoken the sentence 15? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Yes, please. I need a table for 8 on Thursday at 16:30. Sentence2: I was able to book the train TR4235. The Reference number is : NIR4Z9CN . Sentence3: Thanh Binh is a cheap Vietnamese restaurant located in the west part of town at 17 Magdalene Street City Centre. You may contact them at 01223362456. Would you like to book? Sentence4: that's all i needed thanks! Sentence5: There is a train leaving Birmingham New Street at 05:40 and arriving at 08:23 on Thursday. Would you like me to book that one? Sentence6: Okay have a great day! Sentence7: Okay the booking was successful. The reference number is WJCUA6MT . Sentence8: Sure thing, when will you be departing? Sentence9: Terrific. I am also looking for a train to Cambridge. Can you help me with that? Sentence10: I'd like recommendations for a restaurant that serves Vietnamese food. Sentence11: Yes I need a booking for 8 people please. Sentence12: Thursday and I'll be leaving from birmingham new street. Sentence13: You are all set? Or would you like some help with something else? Sentence14: No that is all. Cheers, bye. Question: Who has spoken the sentence 5? (A) User (B) System


Output: Answer: (B) System