You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Ex Input:
Sentence1: There are no architectural attractions anywhere in town? Sentence2: Alexander bed and breakfast is available, would that work for you? Sentence3: from what day should i book? Sentence4: Yes, I am looking for an expensive place to stay that includes free parking. Sentence5: Sure, that sounds good. Could you give me the information on All Saints Church? Sentence6: All saints church is listed as architecture, would you like to go there? Sentence7: I could not find any attraction that match your request. Can I look for museums? Sentence8: I'm just looking for something that is a guesthouse in the cheap price range. Sentence9: Sure! I have a few places in mind, but can you tell me if you prefer a particular area? Sentence10: No that was it. Thank you so much for your help. Sentence11: It is in the centre located at Jesus Lane and the entrance is free. Their phone number is 01223452587 and the postcode is cb58bs? Anything else I can help with? Sentence12: Starting Thursday. Sentence13: I'm looking for any type of architectural attractions in town. Do you have any recommendations? Sentence14: You have a room booked for Thursday. Reference number is U3DO9AJP . Can I help with anything else? Sentence15: Thank you and goodbye. Sentence16: can you book for 4 people 5 nights and get me the reference number please? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: The postcode is cb41da. Is there anything else I can help you with today? Sentence2: There are 23 museums in town. Do you have a specific area you would be interested in? Sentence3: I need the post code also for the museum please. Sentence4: Acorn guest house looks available, would you like to book that? Sentence5: Their postcode is cb13ef. Is there anything else I can assist you with? Sentence6: Cambridge Artworks is in the east. They have no admission and their number is 01223902168 Sentence7: Yeah, can you have a taxi pick me up at the Acorn and take me to the Artworks, say around 24:45? Sentence8: Yes. I need a guesthouse. I should be a 4 star in the north. Parking is not important. Sentence9: I hope you enjoy your stay. Sentence10: No that's all I needed thank you! Sentence11: Not right now, but could you tell me their postcode? Sentence12: Which ever one is your favorite will do. Can I have their contact information and what is the entrance fee? Sentence13: Booking is complete. Your contact number is 07522217444. The car type will be a red tesla. Can I help you with anything else? Sentence14: I'm looking for museums in town. Can you recommend one? Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Thank you, I also need a train from london kings cross to cambridge. Sentence2: I'm glad I was able to help. Thanks for using our service today. Sentence3: Did you have a date or time in mind? Sentence4: I have a lot of nightclubs in the city center. Do you want me to recommend one to you? Sentence5: I need 6 tickets and the reference number Sentence6: TR5729 arrives by 14:08. Would you like a ticket? Sentence7: I need to travel saturday and get there by 14:45 Sentence8: Thanks for all the help! Sentence9: Sure! The Kambar is a nightclub located in the centre. The address is 1 Wheeler Street. The entrance fee is 5 pounds. Sentence10: Booking was successful, the total fee is 113.28 GBP payable at the station . Reference number is : IHJSSXL2 Sentence11: i'm looking for a nightclub Sentence12: Yes please. And can you tell me what area it's in and what the entrance fee is? And the address too, of course. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:

Answer: (B) System