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

Example Input: Sentence1: Was there anything you were specifically interested in? For example there are museums and nightclubs. Sentence2: Sorry, actually I need an expensive restaurant as well. Sentence3: thanks that is all i needed for today Sentence4: I am looking for something to do later in the centre of town. Sentence5: Thank you, that is all. Sentence6: Do you have a specific one in mind? Sentence7: Emmanuel Colleges number is 01223334200, and it is located on Saint Andrew's Street. Do you have any other questions? Sentence8: Okay what type of food would you like to eat and in what area please? Sentence9: There are five expensive european restaurants in Cambridge. I suggest eraina, which is also in the centre. Sentence10: I want to try european food wherever it may be. Sentence11: You're welcome! Have a great time! Sentence12: I would like to go to a college in the centre of town. Sentence13: Great. Thanks for letting us assist you today! Sentence14: No, any one will be find. Will you pick one for me and send me the address information and phone number? Question: Who has spoken the sentence 8? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: The El Shaddai Hotel is located at 41 warkworth street, would yo+u like the phone number? Sentence2: Thank you, goodbye. Sentence3: Can I book a stay there for 1 person for 5 nights starting tuesday please? Sentence4: Nope, that'll do it. Thanks for your help! Sentence5: Your booking was successful, reference number is 8T4AJ6P9, 1 person for 5 nights starting Tuesday at the El Shaddai. Can I help you with anything else? Sentence6: Hello, I would like to find the el shaddai hotel. Can you help me? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I am looking to book a train to cambridge on saturday around 20:00 Sentence2: I'm not ready to book quite yet. Can you just give me the travel time, as well as arrival time of that train? Sentence3: Yes it leaves at 20:40 and arrives at 21:08. Sentence4: The train should go to stansted airport and depart from cambridge Sentence5: TR1120 leaves kings lynn at 20:11. Would that work? Sentence6: Ok, I could book the TR3128 which leaves at 20:40. Question: Who has spoken the sentence 5? (A) User (B) System
Example Output:
Answer: (B) System