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

Ex Input:
Sentence1: that is great! thank you for all your help. Sentence2: I need help finding an expensive restaurant in the centre, can you help me please? Sentence3: Thank you for calling and have a great day. Sentence4: I have found the backstreet bistro and the slug and lettuce, which one would you like more information on? Sentence5: Yes both are in the expensive price range Sentence6: I'd love to help. We have 33 expensive restaurants. Do you have a cuisine you'd prefer? Sentence7: Do anything of them serve gastropub food? Sentence8: I want to book a table for 4 people at 16:15 on a Tuesday please. Sentence9: Can I have the munber in your party and the day and time you would like to book? Sentence10: Great! Here is the address, 34 - 35 Green Street. Sentence11: Okay I was able to book you then at The Slug and Lettuce and your reference number is FSOF58OO . Sentence12: Yes, I'm looking for gastropub food. Sentence13: Thank you so much. That is all I need. Sentence14: Any one will be fine. I need the reference number please after its booked. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I can get you a ticket on the tr8495 it will get you there by 10:55, or is that too early? Sentence2: I'm sorry I changed my mind. I just need the price per ticket please. Sentence3: I'll be going from Cambridge to Norwich. Sentence4: Yes. Please reserve for 5 people on Monday at 14:00. Sentence5: Have a great day and enjoy your time in cambridge. Sentence6: No that sounds good,please book it for me Sentence7: I also need a moderate restaurant in the town centre that serves European food. Sentence8: The price is 17.60 pounds sterling. Can I help with anything else? Sentence9: How many tickets will you be needing? Sentence10: Booked. The table will be reserved for 15 minutes. Reference number: XLZVMYRL . Sentence11: I need to take a train to here. I want to arrive by monday at 17:15. Sentence12: Great. I can't wait. Thanks! Goodbye! Sentence13: The riverside brasserie serves modern european food. Would you like to make a reservation today? Sentence14: Okay, there are plenty of options. Where are you headed? Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Yes, book a table for 3 at 11:30 on the same day if you can. Sentence2: I need a place to stay. Something moderately priced, with free wifi. Sentence3: Does the Acorn Guest House also offer free parking? Sentence4: Yes please. I need a restaurant in the north, same price range as the hotel, and serves swiss food. Sentence5: The Nirala is a moderately priced indian restaurant in the north. Can I book you any tables? Sentence6: Can we try for one that serves Indian food instead? Sentence7: I like acorn guest house. Need a reservation? Sentence8: Booking was successful. The table will be reserved for 15 minutes. Reference number is : 1GD9Z858 . Sentence9: Booking was successful. Reference number is : PSNFSRQI . anything else i can help you with? Sentence10: yes would you reserve andd book it for me with a confirmation number ? Sentence11: We don't have any such restaurants in the north. Do you want to search for something different? Sentence12: Yes certainly. For how many nights will you be staying and how many people will be staying and when do you wish to arrive? Sentence13: I need it for 3 people and 3 nights starting Sunday. Sentence14: It does have free parking. Would you like to reserve a room? Sentence15: enjoy your stay in Cambridge! Sentence16: Thanks for your help today. Question: Who has spoken the sentence 7? (A) User (B) System

Ex Output:

Answer: (B) System