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: I am planning a trip in Cambridge and need a place to stay with free parking. Sentence2: Excellent. Can I book that for 2 people for 2 nights starting on Tuesday Sentence3: I have many different options available. Let me ask, do you have a certain price range or area in mind? Sentence4: Thanks i will find you one.Thanks a lot Sentence5: I have no particular price range, but would like a guesthouse in the north part of town. Sentence6: That narrows it down to about 9 different options. Most offer both free parking wifi. If you would like my personal recommendation, I would say go with the Hamilton Lodge. Sentence7: Booking was successful. Reference number is : 152UJWIK . anything else today? Sentence8: Yes, I need to find a train on Tuesday from Cambridge to London Liverpool Street. Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Would that be London Liverpool or London Kings Cross? Sentence2: We don't have any trains going from Ely to London Liverpool or London Kings Cross. Do you need anything else? Sentence3: I will be leaving from Ely and going to london. Sentence4: Are you sure you don't have a preference? Sentence5: Either one is fine with me. Sentence6: On Saturday I need a train that will arrive by 21:45. Sentence7: Yes I'm sure. I need to book that for 5 people. Sentence8: Can you tell me where you will be departing from and heading to? Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Certainly. Queen's College is located on Silver Street, postcode cb39et. That phone number is 01223335511. Sentence2: They are mostly expensive and there is one that is moderately priced. Sentence3: Great that was all I needed today. Sentence4: Happy to be of service, and thanks for using the Cambridge TownInfo centre today! Sentence5: Can you book the moderate priced one for 4 people at 12:45 on monday? Sentence6: Sure, what area of town are you looking to visit? Sentence7: Is it moderately priced? Sentence8: Can you try an indian place instead? And something in the west. Sentence9: I have booked you a table at Meghna for Monday at 12:45 for 4 people. Your reference number is B2RNYUEG . Sentence10: I am also hungry Sentence11: I can help you with finding a restaurant. Do you have particular one in mind? Sentence12: Definitely the west. I'll need a phone number, address and postcode, please? Sentence13: There are six restaurants. would you like rice boat ? Sentence14: I was hoping to find a college to visit while in cambridge. Sentence15: Yes, I'd like to try some Polynesian food. Sentence16: I'm sorry there are no polynesian restaurants. Would you like a different type of food? Question: Who has spoken the sentence 12? (A) User (B) System


Output: Answer: (A) User