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: 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: I'm looking for a restaurant in the west side that's in the moderate price range. Sentence2: The Italian restaurant Prezzo sounds good. Sentence3: I have three listings,one for british,indian,italian. Are any of those types of food you are looking for? Sentence4: You're welcome. Have a great day! Sentence5: Are any of them available for 8 people at 19:00 on Wednesday? Sentence6: There are two restaurants available the Indian restaurant Meghna and the Italian restaurant Prezzo 8 people at 19:00 on Wednesday. Which one do you prefer? Sentence7: Booking was successful, table will be reserved for 15 mins. Reference number is : GVOKLI1A . Anything else? Sentence8: nope thats it. thanks Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: There are three: Pizza Hut City Centre, Ask, and Zizzi Cambridge. Would you like to make a reservation at any of these? Sentence2: How many tickets will you be needing? Sentence3: the price is 4.40 pounds Sentence4: I'm trying to plan a trip there. I need to find a cheap restaurant. Sentence5: Just one ticket, please! Sentence6: Before I book anything, what is the price? Sentence7: No, I would like an Italian place in the centre. Sentence8: The price is 4.40 pounds. Sentence9: Thank you for contacting Cambridge TownInfo centre. I hope you have a pleasant trip! Goodbye! Sentence10: The TR4447 leaves at 15:50 and it's a 17 minute ride, arriving at 16:07. Should I book it for you? Sentence11: I am also looking for a train departing from cambridge on tuesday, and arriving at ely by 17:15. Sentence12: Ask sounds good. What's the postcode? Sentence13: Thanks for your help Sentence14: Thank you, please book me. Sentence15: Would you like chinese or asian? Charlie chan serves chinese and is on the cheap side. Sentence16: I think that is all I need for today. Thank you. Sentence17: Congratulations! Your booking was successful and your reference number is SED9S4BH . Sentence18: The train arriving closest to 17:15 is TR4447 which arrives at 16:07. Would you like for me to book that for you? Sentence19: Before I book anything can you give me the price? Sentence20: You're more than welcome. Can I help you with anything else? Sentence21: The postcode is cb21uf, will that be all? Sentence22: How long does the train take to get to Ely? And when, precisely, does it leave? Question: Who has spoken the sentence 19? (A) User (B) System


Output: Answer: (B) System