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: I'm sorry, but there are no restaurants that meet your criteria. Would you like to broaden your search? Sentence2: There are 5 places that serve European. Did you prefer modern European, or just European food in general? Sentence3: Yes, please. I will need 8 tickets, and please give me the reference number once you book. Sentence4: What about a restaurant that serves european food? I'd like the phone no. and postcode to that, please. Sentence5: Sounds lovely. Thank you so much for all of your help! Sentence6: How about the Galleria? Their phone number is 01223362054 and the address is 33 Bridge Street, the postcode is cb21uw Sentence7: What time do you want to depart? Sentence8: I also need a Thai restaurant in the moderate price range. Sentence9: There is only one train that would meet your criteria closely and it leaves at 11:50 and arrives in Ely at 12:07. may I book that for you? Sentence10: I have successfully booked you 8 tickets. Your reference number is 0YY5WZQ6 . Is there anything else you need? Sentence11: First, may I confirm that your departure site is Cambridge? Sentence12: Just european food in general, please. Sentence13: hi I want a train to Ely arrived by 13:45, can you help me do that? Sentence14: Thank you for using this system. Sentence15: That is correct. Sentence16: Any time is fine as long as it's on Saturday. Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Would you prefer Indian food or Italian food? Sentence2: Curry Prince is a moderately priced restaurant in the east part of town that serves Indian food. Would you like the phone number? Sentence3: I want a moderately priced restaurant in the east part of town. What is the phone number? Sentence4: You're welcome, goodbye. Sentence5: Awesome, thank you! Goodbye! Sentence6: The phone number for Curry Prince is 01223 566388. Sentence7: I don't care. Give me their phone number. Sentence8: Yes give me the phone number. Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: What day and time will you be departing? Sentence2: Yes, may I have the address, too? Sentence3: Please help me find a train from kings lynn to cambridge. Sentence4: Your reference number is RH4X9U1Z . Do you need anything else? Sentence5: TR1612 will get you there by 9:58. Plenty of time. Sentence6: Friday. I need to arrive by 11:30. Sentence7: Yes, please. I would like to visit a museum while I am in town. Sentence8: Could I get the phone number and postcode of that museum? Sentence9: Be sure to ask if you need anything! Sentence10: Is it in the west? I need something in that area. Sentence11: Awesome. Thank you for using the Cambridge TownInfo centre. Have a great day! Sentence12: that is it i am good now thanks ! Sentence13: If you'd like to be in the west, I recommend Cafe Jello Gallery. Sentence14: Ok, that sounds good. Can I please book 2 tickets? And I'll need a reference number, please. Sentence15: The address for Cafe Jello Gallery is 13 Magdalene Street. Would you like any more assistance today? Sentence16: Sure, the phone number is 01223312112. The post code is cb30af. Do you need any additional information about Cafe Jello Gallery? Sentence17: How about the cambridge artworks? Sentence18: You too, goodbye! Question: Who has spoken the sentence 12? (A) User (B) System


Output: Answer: (A) User