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

Example Input: Sentence1: yes that works. I also need a taxi to get between the guest house and restaurant. Sentence2: I'd also like the hotel type and internet status, please. Sentence3: found it, de luca cucina and bar is modern european centre of moderate price range. phone number is 01223356666 code,cb21aw and is located on 83 Regent Street Sentence4: Thank you, I want to book a table for 8 people at 11:30 on saturday. Sentence5: No just need the address and do they have free internet? I am also looking for a nice place to eat called the de luca cucina and bar Sentence6: It is a guesthouse, cheap, wifi and parking. Would you like to reserve it? Sentence7: Worth House has internet and parking. Will that work for you? Sentence8: Ok, a black bmw will pick you up in time to arrive for your reservation at de luca cucina and bar. The taxi's number is 07228077167. Anything else? Sentence9: Found it! It is located in the north and it is cheap. Would you like to make a reservation? Sentence10: Thanks. What was the address for Worth House? Sentence11: warkworth terrace is the address, anything else? Sentence12: Thank you, please contact us again if you'd like additional assistance. Have a great day! Sentence13: I'm looking for a hotel named Worth House Sentence14: That is all thanks for your time. Sentence15: Is that a hotel or guesthouse? And, do they have free internet? Sentence16: I was able to book it the reference number is 3EZLDF7Q . Question: Who has spoken the sentence 8? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: I'm sorry, they don't have an opening at 12:00. Would you like to try a different time or day? Sentence2: Hi. I am trying to find some information on a restaurant called India House. Have you heard of it? Sentence3: I was able to book your table on Sunday at 11:00 for 1. The reference number is FRGW4OO2 . Sentence4: I'm so happy we could help you out today. Enjoy your meal in Cambridge! Sentence5: Great can you book a table for one person at 12:00 on sunday? Sentence6: India House serves Indian food in the west of town and is expensive. Their phone number is 0122346166. Can I help with anything else? Sentence7: Thanks. That covers it then! Sentence8: Sure, let's try for 11:00, same day. Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Hello, I'm looking for a gueshouse on the northside. Sentence2: London liverpool street to arrive Cambridge by 08:15 the TR536 leaves at 8:00,Would you like me to book it for you ? Sentence3: Yes, I am looking for free parking. Internet is not important. Sentence4: There are 11 guesthouses in the north, do you need free parking or free internet? Sentence5: Is there a price range you'd like to stay in? Sentence6: Not particularly considered about price range, just as long as it's a 4 star hotel Sentence7: I recommend the Acorn Guest House. Would you like me to book a room for you? Sentence8: Okay book it for 2 people for 3 nights and let me have the reference number. Also find me a Train departing from London liverpool street to arrive Cambridge by 08:15. Question: Who has spoken the sentence 6? (A) User (B) System
Example Output:
Answer: (A) User