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

Input: Consider Input: Sentence1: Could I get the reference number please? Sentence2: I have a table for 4 at 12:15 on Saturday at Curry Garden. Is there anything else i can help you with? Sentence3: You are welcome! Enjoy your visit! Sentence4: No that is all I do believe thanks for all of your help Sentence5: I am also looking for an Indian restaurant that is located in the centre? Sentence6: Yes your booking was successful and your reference number is Z7XFCSHU . Sentence7: Yes, can you please book a room for me for 4 people for 5 nights starting on Thursday. Sentence8: there is curry garden as well as eight other options for you. Sentence9: I'm looking to get some info about a hotel called Home from Home Sentence10: Home from Home is located at 78-80 Milton Rd. It's a 4 star hotel in the north part of town. Phone is 01223323555. Sentence11: Curry Garden sounds good, can you book me for 4 people at 12:15 on saturday? Sentence12: Your reference number is XDJE6L0H . Do you need anything else? Question: Who has spoken the sentence 11? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Booking was successful, the total fee is 450.6 GBP payable at the station . Reference number is : G368B2VI . Can I help with anything else today? Sentence2: I would like to stay in the centre of town please. Sentence3: TR0254 Leaves at 05:40, would you like me to book that for you? Sentence4: I will be departing from Birmingham New Street on Tuesday. Sentence5: The price is 75.10 pounds and it is a 163 minutes ride. Can I help you with anything else? Sentence6: Please book 6 tickets and send me the reference number. Sentence7: No thank you. Please tell me about the ticket pricing and time of travel Sentence8: Okay, the postcode is cb11ly. What else can I help with? Sentence9: No, not yet. I just need the postcode. Sentence10: Thanks for using Cambridge TownInfo centre. Have a great day! Sentence11: I'm looking for a train that goes to Cambridge and arrives by 08:45. Sentence12: The Gonville Hotel will meet all of your needs. Would you like me to book it? Sentence13: I found two expensive hotels, one in the centre and one in the south of town. Do you have a preference? Sentence14: Again, 3 star with free wifi. I don't care about the price. It has to be in the centre, though. Sentence15: That is all, thank you for your help today. Sentence16: Yes please. I need a 3 star hotel that offers free wifi Sentence17: I found 231 trains that fit your request. Where will you be departing from? Sentence18: What price range and what star rating are you looking for ? Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Phone number is 01223902112, address- the plough, green end, fen ditton and a postcode of cb58sx. Thank you is there anything else I can assist you with? Sentence2: Can I have the phone number, address, and postcode? Sentence3: We will be dining on Thursday at 13:15, and there are 4 in my party. Sentence4: Wonderful. Can you also help me find a place to visit in the east? Sentence5: We have one boat attraction in the east. It is camboats. Sentence6: Thanks, you're so helpful! I'm all done now, bye! Sentence7: I sure can. Can I get a date and time, along with the amount of people that will be there? Sentence8: Is there a specific type of attraction you are looking for? Sentence9: I would love to visit a boat attraction Sentence10: I was able to book you a table for four at Cote on Thursday at 13:15, Reference: 8s4q3a4d . Can I assist you further today? Sentence11: Hello, I'm looking for a restaurant by the name of Cote. Can you find this for me and book a reservation please? Sentence12: You are very welcome, it's a pleasure to assist you! Goodbye! Question: Who has spoken the sentence 3? (A) User (B) System
Output: Answer: (B) System