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: Are there any with a 5 star rating? Sentence2: I'm looking for a place to stay with free wifi. Can you help me find something moderately priced? Sentence3: You are booked at the acorn guest house. Reference number is ROCCFCM6 . Sentence4: Thank you so much, that is all I need. Sentence5: Unfortunately, none of them have a 5 star rating. Sentence6: Are there any with a 4 star rating? Sentence7: We have plenty of moderately priced options with free WiFi. Do you have any additional preferences? Sentence8: Oh yes, several. Are there any addition preferences on those? Sentence9: Great, enjoy your stay. Bye. Sentence10: Nope, any 4-star moderate place with wifi will be fine. Could you book a room starting Saturday for 3 nights, 5 people? Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: Thank you. Could you please get me the phone number? Sentence2: Yes, I was wondering what the location is of Addenbrookes Hospital. Sentence3: no, that's all thanks Sentence4: That hospital is located on Hills Rd, Cambridge. Sentence5: Happy to help. Feel free to call back if any additional questions come up. Have a good day. Sentence6: The main hospital phone number is 01223245151. Were you looking for a specific department? Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: How many people? Sentence2: I need help with a particular hotel, can you do that? Sentence3: What day of the week will you need that? Sentence4: Thank you for using our system today! Sentence5: Does saturday work? Sentence6: We want to leave the hotel by 24:15. What is the contact number and car type? Sentence7: 8 people, for 3 nights. Sentence8: Thank you, that's all I need today. Sentence9: It's a museum located at 2-3 castle street on the west side of town. Postcode is cb30aq and the phone number is 01223355159. The entrance fee is 3.50 pounds. Sentence10: You have a booking for a black volvo at 24:15. Contact number, 07253606087. Sentence11: Can you specify a departure or arrival time? Sentence12: Okay your booking was successful and your reservation number is HKW4G2VT . Sentence13: Thank you. I'd also like to get a taxi between these two places. Sentence14: I'd like a hotel named Warkworth House, and am interested in booking for 8 people starting on Saturday. Sentence15: Yes, I have the database ready, do you want info on a specific hotel or a search? Sentence16: Could you give me information on Cambridge and County folk museum? Question: Who has spoken the sentence 5? (A) User (B) System


Output: Answer: (B) System