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: Great, have a wonderful day and enjoy your taxi ride, thank you! Sentence2: What time would you like to arrive? Sentence3: No, that is all I need today. Thanks! Sentence4: i want to book a taxi. The taxi should depart from la Margarita and should go to riverboat Georgina. Sentence5: I have a white tesla booked. The contact number is 07032807056. Anything else today? Sentence6: I would like to arrive by 17:15. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I am departing from cambridge and going to stansted airport. Sentence2: Hello, I need a train, please. Sentence3: Ok, what was the address for that place? Sentence4: Good day to you too. Sentence5: Sounds good. Now I'm looking to go to a particular attraction called Kambar, it's in the area, right? Sentence6: The price is 10.10 pounds and the duration is 28 minutes. Sentence7: Alright, thank you, that should be all for today. Sentence8: I need to leave on friday after 9:15 Sentence9: please tell me your destination and the time you wish to arrive. Sentence10: What is the price and travel time? Sentence11: You've been very helpful, good day Sentence12: Kambar is a nightclub that is located in the centre area. It has a 5 pounds entrance fee. Sentence13: The address for Kambar is 1 Wheeler Street. Sentence14: It was a pleasure to help you. Have fun. Sentence15: I have train TR2048 departing Cambridge at 9:40 and arriving at 10:08. Would you like me to book this for you? Sentence16: Where are you departing from and where are you going? Question: Who has spoken the sentence 12? (A) User (B) System

Ex Output:

Answer: (A) User