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

Ex Input:
Sentence1: Is there any Indian food on the west side of town. Sentence2: You're welcome. May I help with another query? Sentence3: Cocum is located at 71 Castle Street City Centre and their phone number is 01223 366668. Their price range is expensive. Sentence4: The price range doesn't matter. Sentence5: There are 6 Indian restaurants in the west part of town. What price range do you have in mind? Sentence6: There are no Hungarian restaurants in the west of town. Would you like to change your query? Sentence7: I would like a Hungarian restaurant in the west of town. Sentence8: Yes, but just for one. Sentence9: Would you like the name, address and phone number of a few of them? Sentence10: Goodbye. Sentence11: Thank you! Sentence12: Nope, I'm good. Thanks again. Question: Who has spoken the sentence 9? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: book a table for 6 people at 11:15 on tuesday at the Hakka Sentence2: Sure what type of food are you wanting to eat? Sentence3: Do they have free wifi? Sentence4: I booked the taxi, it is a yellow tesla the contact number is 07809860598. Is there anything else I can assist with today? Sentence5: I will need a taxi to get to the restaurant. Sentence6: Booking was successful, and your reference number is TDVD6XSM . Is there anything else I can assist you with? Sentence7: That is all, thank you for your help. Sentence8: The Hamilton Lodge sounds perfect for you. Would you like to know more? Sentence9: I'm glad we were able to help. Sentence10: I would like to find an expensive restaurant in the north part of Cambridge. Sentence11: Yes, they do have internet. Shall I make a booking? Sentence12: There 2 of them - the Hakka and the hotpot. Which one would you like to try? Sentence13: Yes please. I want 4 nights from tuesday, and for 6 people. Give me the reference number too. Sentence14: I am looking for a hotel in the same area that has free parking. Sentence15: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 48WF5G7X . Can I help with anything else? Sentence16: How about chinese food? Question: Who has spoken the sentence 15? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Frankie and Bennys serves italian food in the expensive price range, and their postcode is cb17dy. Would you like assistance in making a reservation? Sentence2: Departure time doesn't matter, I just need to arrive at the stansted airport by 21:30 on Thursday, and I need to depart from Cambridge. Sentence3: When are you leaving? Sentence4: I don't need tickets at the moment, but I do need the price and train ID for that 19:40 departure, please. Sentence5: I need a train that leaves Cambridge on Thursday. Sentence6: There are 202 trains leaving Cambridge on Thursday. Would you like to narrow your search by destination and time? Sentence7: Can you tell me the postcode, food type, and the price range? Sentence8: The train id for that is TR9030 and the price is 10.10 pounds. Is there anything else you'd like help with today? Sentence9: I am going to the stansted airport and I need to arrive by 21:30. Sentence10: Yes, the 19:40 train will arrive at 20:08. How many tickets would you like? Sentence11: I'm also looking for a particular restaurant, it's called Frankie and Benny's. Sentence12: Thank you for contacting the Cambridge TownInfo centre. We're here any time you need to get around Cambridge! Sentence13: No, that's all I needed. Thank you. Sentence14: Can I please have one at 19:40. I will get there by 21:30 correct? Sentence15: I was able to find it, what information would you like on it? Sentence16: I have 16 train departures fitting your preferences. They leave every :40 of the hour starting at 5:40 to 20:40, would you like me to book one of these? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:

Answer: (A) User