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

Ex Input:
Sentence1: The El Shaddai Hotel is located at 41 warkworth street, would yo+u like the phone number? Sentence2: Thank you, goodbye. Sentence3: Can I book a stay there for 1 person for 5 nights starting tuesday please? Sentence4: Nope, that'll do it. Thanks for your help! Sentence5: Your booking was successful, reference number is 8T4AJ6P9, 1 person for 5 nights starting Tuesday at the El Shaddai. Can I help you with anything else? Sentence6: Hello, I would like to find the el shaddai hotel. Can you help me? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: Yes, that sounds like a good choice. Can you book it for me for 3 people starting Saturday? Thanks Sentence2: I was able to book the hotel for you. The reference number is BTTS9GYC . Is there anything else I can help you with today? Sentence3: There are eight accomodations of the hotel type with free parking. What part of town do you prefer? Sentence4: I need a train from norwich to get to the hotel by 16:30. Sentence5: The Cambridge Belfry is an inexpensive, 4 star option on the west side with free wifi and free parking. Sentence6: The west, please. And can I get free wifi? Sentence7: Okay I have a train tat gets to Cambridge at 15:35. Would you like me to book that for you? Sentence8: It doesn't really matter, just need to get there by 16:30. Sentence9: I want a place to stay. Find me a hotel that includes free parking. Sentence10: I have several available. When do you want to leave? Sentence11: I would like to stay for 3 nights. Sentence12: Sure, I can do that. How many nights would you like it for? Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: I will travel on Sunday. Sentence2: A total of five entries found. How about TR7447? It arrives at 13:51, and leaves at 13:00? Then we can get back to the restaurant reservation we had been working on. Sentence3: Where shall the train go? Sentence4: What day do you want to travel? Sentence5: Thank you, that's all I need today. Sentence6: thank you do you know if they take reservations? Do you know the hours of the business? Sentence7: The train should arrive by 16:30 and should depart from cambridge. Sentence8: Pizza Express Fen Ditton is located on Jesus Lane. The phone number is 01223324033. Sentence9: Yes, that will do. I need tickets for 3 people please. Sentence10: There is a train that leaves 13:17. Sentence11: Great. Well, I hope you have a wonderful trip. If you need anything else, don't hesitate to contact us again. Goodbye. Sentence12: Your train tickets are booked, ref #6QVPO3N3 . Can I help you with anything else today? Sentence13: I need a reservation for 3 people on saturday. Sentence14: The train should arrive by 16:30 and should depart from cambridge Sentence15: what time does that train arrive? Sentence16: Can you help me locate a restaurant called Pizza Express Fen Ditton? Sentence17: What time would you like to dine? Sentence18: I am unable to locate the hours of Pizza Express; however, they do take reservations if there is a time you would like me to try to book for you. Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:
Answer: (B) System