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: Booking was successful. Your reference number is : 1F0GOZ1D . Sentence2: Can you try 4 nights instead? Sentence3: I recommen a and b guest house. Should I book that? Sentence4: We have 6 total guesthouses in the east, any more preferences? Sentence5: Not particularly. Do you have one you would recommend? Sentence6: Yes, I would like free wifi and a 4 star rating. Sentence7: I'm looking for a guesthouse in the east please. Sentence8: funky fun house would be nice for you Sentence9: Great, could I also find someplace near the hotel to go for fun? Sentence10: Unfortunately there are no rooms available for Wednesday in the East. Could I look at a different location or day? Sentence11: please, For 2 people for 5 nights starting on Wednesday Sentence12: I have six places, is there a price range you have in mind? Question: Who has spoken the sentence 6? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: I need to find a hospital nearby that has a hepatobillary and gastrointestinal surgery referral center Sentence2: No, that's it. Thanks! Sentence3: No, I just need the postcode. Sentence4: You're very welcome. Have a great day! Sentence5: Certainly. The postcode is CB20QQ. Anything else I can help you with today? Sentence6: Addenbrookes Hospital located at Hills Rd, Cambridge has that department. Would you like the phone number to that direct department? Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System

Input: Consider Input: Sentence1: Thank you for contacting Cambridge TownInfo Centre. Enjoy your trip! Sentence2: What would you like to know? Sentence3: Hi, I'm looking for a theatre in town. Sentence4: How about trying the booking for 2 nights instead? Sentence5: I have several theatres in town; most are in the center and there's one on the south side. Do you have a preference? Sentence6: Thank you. That's all I needed today. Sentence7: That's all, I also need some info on the aylesbray lodge guest house. Sentence8: The booking was successful. Your reference number is VEKFOWW6 . May I help you with anything else today? Sentence9: I just need to book it for 5 people for 3 nights starting wednesday. Sentence10: I want to leave the hotel by 23:45, please. I will need the contact number and car type as well. Sentence11: Not particularly. Which do you recommend? If you can provide an address, and info on entrance fees for your favorite, that would be great, thanks. Sentence12: Booking was unsuccessful. Can I book it for another day or for a shorter stay? Sentence13: There is a nice theatre in the centre called Mumford Theatre at Anglia Ruskin Enterprise, East Road. There are no entrance fee's listed. Would you like the phone number? Sentence14: Certainly. When do you want to leave by? Thanks. Sentence15: I also need a taxi that will get me from the hotel to the Mumford Theatre. Sentence16: Look for a red skoda at 23:45. Contact number is 07203451236 Question: Who has spoken the sentence 8? (A) User (B) System
Output: Answer: (A) User