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

Ex Input:
Sentence1: Can I get the travel time and price on the 5:52 one? Sentence2: Tenpin is an entertainment attraction in the south part of town their phone number is 08715501010, and address is cambridge leisure park, clifton way Sentence3: I will need more information to narrow down the results. What day would you like to depart on, and what area is your departure from? Sentence4: Ok, and I also want to find out about an attraction called Tenpin please. Sentence5: TR5348 leaves Ely at 5:35 and arrives in Cambridge by 5:52. The price for a ticket is 4.40 pounds and the ride's duration is 17 minutes. Sentence6: Great, thank you. Sentence7: Departing fro Ely on Wednesday and arriving by 09:30. Sentence8: I'd like train information for cambridge. Sentence9: Thank you so much for the information Sentence10: There are two trains. One arriving at 5:52 and one at 7:52. Would you like me to book one of these for you? Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: The postcode is CB58BS. Can I help you find anything else? Sentence2: Can you tell me what their star rating is? Sentence3: I need something in the south and free parking. Sentence4: I will be in the centre of cambridge. I am looking for any type of attraction involving architecture. Sentence5: You're very welcome, I'm glad that I could help. I hope that you enjoy your stay! Goodbye. Sentence6: Of course! They are a 3-star establishment. Would you like me to go ahead and book that for you? Sentence7: thats it, thanks! Sentence8: Bridge Guest House was available for 2 nights. Your reference number is ULWMFZAX . What else can I do for you today? Sentence9: I'm sorry. There is no availability. Would you like to try different dates or another hotel? Sentence10: I'd recommend All Saints Church on Jesus Lane. Did you need help with anything else? Sentence11: I would recommend the Bridge Guest House based on your criteria. Would you like me to book you a room? Sentence12: There are 33 places to stay, do you have any requirements? Sentence13: How about just 2 nights instead? Sentence14: yes, 7 people 4 nights starting Wednesday. Sentence15: I need a place to stay. Sentence16: Can you give me the postcode for that? Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: Can I help you with anything else today? Sentence2: I am looking to get an address and entrance fee for a theatre. Can you search for one for me using the criteria I mentioned earlier? Sentence3: There is no specific area. Sentence4: Entrance fee is not mentioned. There are no restaurants in that area that fit your criteria. Is there something else I can look up for you? Sentence5: Yes, get me a table for 3 at 15:30 on Saturday. Sentence6: Fantastic, have a great day! Sentence7: Is there a entrance fee? I am also looking for a cheap north american restaurant to dine at on the east side. Any recommendations? Sentence8: No that will be all! Thank you! Sentence9: Hi, can you please give me information on theatres in town? Sentence10: The Missing Sock is an international restaurant in the East and has a cheap price range. Would you like a reservation? Sentence11: I have made those reservations and the reference number is Y40MJDC0 . Sentence12: I have 5 theaters located in the centre and south which area would you like? Sentence13: Are there any serving international cuisine in the same area and price range? Sentence14: Great, thanks for your help! Sentence15: I see. What sort of information can I help you with? Sentence16: The address for adc theatre is park street. Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:

Answer: (B) System