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's all I need. Thank you! Sentence2: Yes, please. Table for 8 at 15:00 on wednesday. Sentence3: I can't wait to get to Cambridge and try some of the restaurants I've heard about. Can you tell me about one of them? I think the name is Little Seoul. Sentence4: Thank you for contacting Cambridge TownInfo centre. I hope you have a nice trip! Goodbye! Sentence5: I have a train leaving cambridge at 11:36 and arriving in norwich by 12:55. Would you like me to book that for you today? Sentence6: I'd like to arrive in Norwich by 13:15 if possible. Sentence7: Can we do the same day at 14:00 instead? Sentence8: I'm so sorry, but Little Seoul was unable to accommodate that reservation. Would you like to try a different day or time? Sentence9: Little Seoul is a Korean restaurant in the city centre which is in the expensive price range. Would you like me to book a table for you? Sentence10: The booking was successful, reference number is 0F3L674U Sentence11: Thats is great, I need it for 8 people as well, and can I get a reference number as well please? Sentence12: Where will you be wanting to go? Sentence13: Great I also need to get a train on thursday leaving from cambridge. Sentence14: Sure thing. Your booking was successful. Your reference number is : WOWBP7SK . Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Thanks for handling the restaurant. I will have time to check out the town. Do you have multiple sports in the same area as the restaurant? Sentence2: I need a place to dine that is expensive in the centre. Sentence3: No, that's all I needed. Thanks for your help! Sentence4: Okay, I recommend midsummer house restaurant in Midsummer Common. Would you like a reservation? Sentence5: 01223334860 is the phone number, and entrance is free. Anything else today? Sentence6: Okay, that sounds nice. Can you give me their phone number and tell me their entrance fee? Sentence7: I can help with that. Did you have a price range in mind? Sentence8: Ok, you're all set, the table will be reserved for 15 minutes and your reference number is : 48QP48K1 . Can I help you with anything else? Sentence9: Yes I would love that. I need to make the reservation for 8 people for 16:15 on Thursday. Sentence10: Why don't you try looking for a college in that area instead please Sentence11: No, there aren't any multiple sports places in the centre. Would you like me to check a different part of town? Sentence12: There are 13 colleges in the centre. I recommend downing college. Sentence13: You have a wonderful day and a great trip. Sentence14: Expensive, please. British food. Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I want to know if the Worth House is still renting rooms. Sentence2: Yes make the booking or me for 2 and provide the reference number. Sentence3: Ok, I was able to make your reservation. Your total fee is 33.2 GBP. Your Reference number is : POE0NTR1 . Sentence4: yes book for 2 people and 3 nights from thursday Sentence5: Thank you very much. That is all the information I need. Sentence6: The TR1047 leaves Cambridge for London Liverpool Street Wednesday arriving at 07:27. The price is 16.60 lbs. Can I book it for you? Sentence7: Where are you departing from, and what day? Is there a certain time you need to leave or arrive by? Sentence8: i am planning your trip in Cambridge Sentence9: Sure, you really should be more pleasant. I need to get to London Liverpool Street on Wednesday by 20:45 please. Sentence10: Okay great! Have a great trip! Sentence11: Thanks. I also need to find a train to london liverpool street. Sentence12: Are you planning a trip to Cambridge? If so, what type of information are you looking for today? Sentence13: Since this is the cambridge help desk, I assumed that, I really need the date and time to get you booked. Sentence14: I am leaving from Cambridge. Sentence15: Yes they are. Would you like to book a room? Sentence16: Booking was successful. Reference number is : WX6QA7D0 . Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:

Answer: (A) User