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

Ex Input:
Sentence1: I meed a moderately priced place to stay. Sentence2: There are 3 guesthouses that meet those requirements I recommend warkworth house. Would you like me to book it for you? Sentence3: I am also looking for a train. Sentence4: I have a train that arrives in cambridge by 18:07. It would be helpful to know your destination so I can serve you better. Sentence5: The train should leave from bishops stortford and go to cambridge and arrive by 19:30. Sentence6: I'll be happy to help you with that. What day would you like to travel and where would you like to depart from? Sentence7: I would like to stay in the east. It should have a 4 stars and I would also like free wifi please. Sentence8: Booking was successful. Reference number is : FGTT1OBZ . Is there anything else I can help you with today? Sentence9: thank you i think you should prepare before departure thank you Sentence10: I have found a list of hotels with a moderate price range, what area, type, star of the hotel would you like? Sentence11: I need to leave from Bishops Stortford the same day I arrive at the hotel. I need to arrive close to 19:30. Sentence12: Yes, please! 5 of us will be staying for 3 nights, and we're arriving on Friday. Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: The postcode is cb41da. Is there anything else I can help you with today? Sentence2: There are 23 museums in town. Do you have a specific area you would be interested in? Sentence3: I need the post code also for the museum please. Sentence4: Acorn guest house looks available, would you like to book that? Sentence5: Their postcode is cb13ef. Is there anything else I can assist you with? Sentence6: Cambridge Artworks is in the east. They have no admission and their number is 01223902168 Sentence7: Yeah, can you have a taxi pick me up at the Acorn and take me to the Artworks, say around 24:45? Sentence8: Yes. I need a guesthouse. I should be a 4 star in the north. Parking is not important. Sentence9: I hope you enjoy your stay. Sentence10: No that's all I needed thank you! Sentence11: Not right now, but could you tell me their postcode? Sentence12: Which ever one is your favorite will do. Can I have their contact information and what is the entrance fee? Sentence13: Booking is complete. Your contact number is 07522217444. The car type will be a red tesla. Can I help you with anything else? Sentence14: I'm looking for museums in town. Can you recommend one? Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: Unfortunately I am unable to book at 22:00 at Caffe Uno, do you have another time? Sentence2: I need the reservation for three. Sentence3: Ok, TR6692 leaves Cambridge at 19:21 and arrives in Stevenage at 20:10. Will this work for you? Sentence4: I can help you with both of those things. Let's start with what type of food or what part of town you would like to eat. Sentence5: How many people will be dining at cafe uno? Sentence6: thanks alot.that is all i needed for today Sentence7: Yes I have one restaurant matching your criteria called Royal Spice. Would you like their telephone number? Sentence8: That ticket will be 12.80 pounds. Sentence9: Sounds good. Can you book a reservation for Tuesday at 22:00? Sentence10: Could I get the price of that train please? Sentence11: How about cafe uno in the centre? Sentence12: He, I am looking forward to trying some local restaurants in Cambridge. Can you tell me about some train schedules? Sentence13: No thanks, I need a train from cambridge to stevenage in Tuesday. I want to arrive before 21:00 Sentence14: Um I meant 14:45, my mind wandered, who wants dinner two hours before midnight, lol. Same booking but 14:45 please. Sentence15: Thanks. Now I think you could help me with an expensive Italian restaurant perhaps? Sentence16: Great! glad I could help! Sentence17: Booking was successful. The table will be reserved for 15 minutes. Reference number is : MRKAMZJM . Anything else I can help with? Sentence18: Can you help me find a cheap restaurant in the north with indian food? Question: Who has spoken the sentence 3? (A) User (B) System

Ex Output:
Answer: (B) System