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

Example Input: Sentence1: I am looking for a particular hotel. Its name is called autumn house Sentence2: Thank you goodbye Sentence3: Could you try Wednesday, instead? Sentence4: You're welcome. Thank you for calling and goodbye. Sentence5: That's for 8 people and it's for 2 nights. Sentence6: Booking was successful. Reference number is : 3H0WHD4Z . Sentence7: No thanks. Would you book the Autumn House for me starting on Monday, please. Sentence8: I'm sorry, your booking was unsuccessful. Would you like to book another day or a shorter stay? Sentence9: How many people would be staying and how many days will you be staying? Sentence10: I have the Autumn House. It is at 710 Newmarket Road. Would you like the phone number? Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Would you prefer Indian food or Italian food? Sentence2: Curry Prince is a moderately priced restaurant in the east part of town that serves Indian food. Would you like the phone number? Sentence3: I want a moderately priced restaurant in the east part of town. What is the phone number? Sentence4: You're welcome, goodbye. Sentence5: Awesome, thank you! Goodbye! Sentence6: The phone number for Curry Prince is 01223 566388. Sentence7: I don't care. Give me their phone number. Sentence8: Yes give me the phone number. Question: Who has spoken the sentence 7? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Since I'll already be in town, I'd like to check out some colleges in the same area as the Fitzbillies Sentence2: I have 3 places to choose from. All are expensive. I have Fitzbillies, The Cambridge Chop House and Midsummer House Restaurant. Can I reserve a table for you? Sentence3: Thank you for using our system today. Sentence4: British food. And some where in the Centre. Sentence5: What type of food would you like? Sentence6: Fitzbillies sounds unique, can you book me for 5 people at 17:00 on tuesday? Sentence7: What area and what price range would you be interested in ? Sentence8: The phone number is 01223331100 and the postcode is cb21st. Is there anything else I can help you with? Sentence9: No, as long as it is in the same area as the restaurant. Sentence10: Can I recommend king's college,it is a beautiful college in the centre of town. Sentence11: Hi, I am traveling to Cambridge and am looking forward to trying some local restaurants. Can you help me with a great place to dine? Sentence12: I have many,does it matter if there an entrance fee? Sentence13: no, that will be all. goodbye. Sentence14: I am looking for an expensive place in any area. Sentence15: What is the postcode and phone number? Sentence16: I have your reservation for tuesday at 17:00 with 5 people, your reference number is UAZUXKIR . Can I help you with anything else? Question: Who has spoken the sentence 9? (A) User (B) System
Example Output:
Answer: (B) System