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

Ex Input:
Sentence1: How many tickets please Sentence2: I want to go to Cambridge on Wednesday. Sentence3: I can give you all kinds of information as well as book a ticket. Where are you going and when? Sentence4: Have a great stay in town. Goodbye. Sentence5: Train TR9741 arrives at 07:52 and I have booked you for 2,here is your information:Booking was successful, the total fee is 8.8 GBP payable at the station . Reference number is : U44P6DQP . Sentence6: I want you to book it for 5 nights, starting wednesday. 2 people. Sentence7: Where will you leave from? Sentence8: Sure thing, what kind of information do you need? Sentence9: Nope, that's all I need today. Thanks for all your help. Goodbye! Sentence10: Okay that booking was successful. Your reference number is 2VD26230 . Anything else I can do for you? Sentence11: I am looking for information and would appreciate the help. Can you help with a train? Sentence12: Would you like to specify a departure or arrival time? Sentence13: I would need 2 tickets. Sentence14: Can you also look up the hotel Carolina Bed and breakfast? Sentence15: I will be leaving from ely. Sentence16: I need to arrive by 08:45 Question: Who has spoken the sentence 13? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: We have nine expensive dining establishments on the west side. Cuisines offered are Thai, Indian, European, and British. Do you have a preference? Sentence2: Thank you. Can you please give me the reference number? Sentence3: The reference number is 5WHDPGHW .. Is there anything else I can assist you with? Sentence4: Okay I booked a table for 4 at 15:00 on Saturday at the Graffiti, an expensive British restaurant in the west area of town. Sentence5: I am interested at eating at an expensive place in the west part of town. Sentence6: No that will be all. Thank you so much for all of your help! Sentence7: Excellent. Have a good rest of your day! Sentence8: No I don't have a preference. I want to book for four people at 15:00 on Saturday. Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: A grey ford will arrive to take you to gonville hotel. The contact number is 07759806308. Anything else today? Sentence2: I would like a hotel with free wifi located in the centre. Sentence3: Sounds good, can you book it for me for Wednesday, 3 nights and 4 people? Sentence4: Do you have a price range in mind? Sentence5: Hotels do not have entrance fees. Gonville hotel is located at gonville place in the postcode cb11ly. Anything else for you? Sentence6: The Gonville Hotel is in the expensive price range but is 3 star. The only moderate price hotel in that area is Cityroomz but is a 0 star rating. Sentence7: Can you book me a taxi to pick me up at the Botanic Gardens at 3:30? Sentence8: Thank you, have a great day Sentence9: I am sorry, I am looking for a park near the hotel. I need the entrance fee, phone number and postcode for the park. Sentence10: You can book that on for me. I will need the entrance fee, phone number, and postcode. Sentence11: A moderate price range would be perfect. Could you make sure it also has a star rating of 3? Sentence12: The gonville hotel meets your requirements. Sentence13: No thank you, that's all for today. Goodbye! Sentence14: The Cambridge University Botanic Gardens is a park nearby. Their phone is 01223336265, the post code is cb21jk, it's located on bateman street. Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:

Answer: (B) System