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: I am planning a trip in Cambridge and need a place to stay with free parking. Sentence2: Excellent. Can I book that for 2 people for 2 nights starting on Tuesday Sentence3: I have many different options available. Let me ask, do you have a certain price range or area in mind? Sentence4: Thanks i will find you one.Thanks a lot Sentence5: I have no particular price range, but would like a guesthouse in the north part of town. Sentence6: That narrows it down to about 9 different options. Most offer both free parking wifi. If you would like my personal recommendation, I would say go with the Hamilton Lodge. Sentence7: Booking was successful. Reference number is : 152UJWIK . anything else today? Sentence8: Yes, I need to find a train on Tuesday from Cambridge to London Liverpool Street. Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: the post code is cb41er. what day would you like the reservation for? Sentence2: You're quite welcome. Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence3: The Ashley Hotel sounds fine, can you book that for me please. Also, I need the postcode of that hotel as well. Sentence4: I'm looking for a hotel in the north side. Sentence5: Ashley Hotel and Lovell lodge are both available Sentence6: Actually, I don't need a booking. Thanks. Have a nice day. Sentence7: I have many options in the north. All are in the cheap to moderate range. Do you have any further requirements? Sentence8: I'd like a 2 star hotel with free parking. Question: Who has spoken the sentence 5? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Thank you. I also need info on a place to go in the west. Any one will do. Just something to see. Sentence2: You have a few attraction options in the west area; colleges, museums and even an entertainment attraction. Which one sounds best for your trip? Sentence3: I am planning a trip in Cambridge Sentence4: I can help plan your trip! What do you need? Sentence5: You're welcome! Have a great day! Sentence6: Okay. I've booked you three tickets on the TR9724. Your reference number is J87QHBRM . You'll owe 42.24 at the station. Sentence7: Can you recommend one and give their post code? Sentence8: There are 9 trains traveling from norwich to cambridge after that time on Saturday. Do you need to arrive by a certain time? Sentence9: No it doesn't matter when I get there. Can you pick one, and make me a booking for three people? I need a reference number too! Sentence10: I need a train ticket going to cambridge from norwich on saturday anytime after 15:00 Sentence11: How does the Clare Hall sound? The postcode is cb39al. Sentence12: That sonds great, thanks. Thats all I need for today. Question: Who has spoken the sentence 10? (A) User (B) System


Output: Answer: (A) User