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

Ex Input:
Sentence1: You are booked for a black skoda. Is there anything else? Sentence2: Thank you for your help Sentence3: Could you give me the contact number for the skoda, please. Sentence4: I'd be happy to book that for you, where are you departing from? Sentence5: No, that is it. Goodbye. Sentence6: Booked car type : black skoda Contact number : 07129813049 Sentence7: I would like a taxi to limehouse. I need to arrive by 7:15. Sentence8: You're very welcome. Do you need any further assistance? Sentence9: Thanks for using our services. Sentence10: I am leaving from nusha. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I'm sorry can I help you with anything else? Sentence2: Booking completed! Booked car type blue honda Contact number 07444279931 Sentence3: Can you help me book a taxi? Sentence4: What is your destination? Sentence5: I need to leave the attraction by 15:15 and arrive at the hotel. Sentence6: No thank you. That is all. Sentence7: No preference. You pick. Sentence8: Definitely - Cambridge has many guesthouses. Is there a particular area or price range you had in mind? Sentence9: Thank you. I'm also looking for a place to go in the centre. I'll need the postcode for the attraction. Sentence10: Hi, can you help me find a guesthouse to stay at? Sentence11: You're welcome, glad I could help. Sentence12: Yes please for 2 nights starting from Sunday for 4 people. I will need a reference number. Sentence13: There are many places in the centre of town. Do you have any further preferences or would you like me to recommend one? Sentence14: I do not have a price range in mind. Sentence15: old schools is my favourite. can i give you the details? Sentence16: Your reservation for 4 at alexander bed and breakfast this Sunday for 3 days 2 nights was successful. Your Reference number is : 1FDBJB3A . Sentence17: Thank you very much. Sentence18: Thanks you have a nice day as well. Sentence19: Have a nice day. Sentence20: Sure, I will work on booking that for you. Sentence21: Alexander bed and breakfast comes highly recommended. It is located in the centre area and has a cheap price range, shall I book there for you? Sentence22: That is all I needed thank you for your time. Sentence23: Ok, I have booked you a yellow volvo, contact number 07291792842, is there anything else you need? Sentence24: I do not have a preference. Sentence25: Do you have a price range? Sentence26: Yes I need their postcode. Sentence27: Old Schools postcode is cb21tt. Will there be anything else? Sentence28: Did you get the reference number yet??? Question: Who has spoken the sentence 26? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: What day would you like to travel? Sentence2: I need to travel on Tuesday after 15:15. Sentence3: I'd like a train leaving Cambridge for Broxbourne, please. Sentence4: I'm not ready to book yet. I'm also looking for a place to stay. Sentence5: I can help with that. There are 33 choices. Is there a specific price range you would like to stay in? Sentence6: Alright, thank you for contacting Cambridge TownInfo centre. Have a great day! Sentence7: The cityrooma hotel is located in the centre and is of moderate price range. Would you like me to make reservations? Sentence8: I really want to stay in a 0 star establishment, ideally in a moderate price range. I don't care if there's free parking, but it has to be a hotel. Sentence9: No I believe that will be all for now. Thank you for your help! Sentence10: I have the TR1835 going from Cambridge at 16:01 to Broxbourne at 17:01. Does that sound suitable? I can book some tickets for you if you like. Sentence11: Could I get the price first? Sentence12: 17.90 pounds is the price. Sentence13: Please book it for 1 person, for 4 nights starting friday. Sentence14: Your reference number is XCJE8L9R, is there anything else you need? Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:

Answer: (A) User