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: Not really. Would you see if the highest rated, least expensive guesthouse has rooms for 5 nights for 6 people, beginning Wednesday? Sentence2: I would like to stay in a guesthouse that is in the south. Sentence3: I was able to book Rosa's Bed and Breakfast for you for 5 nights for 6 people starting on Wednesday. The reference number is RTITW2L5 . Sentence4: I am traveling to London Liverpool Street from Cambridge. Sentence5: There are 10 trains that meet your criteria. Do you have a preferred time that you would like to arrive by? Sentence6: Of course! The best option is the TR7092 leaving at 17:59 with a duration of 88 minutes. The price is 16.60 pounds. How else may I assist you? Sentence7: Yes, I was wondering if you could assist me in finding a train for Monday. Sentence8: There are 2828 trains available Monday. Where are you traveling to? Sentence9: I have found 29 hotels that fit your criteria for parking. What price range are you looking for? Sentence10: There are three guesthouses in the south with free parking in the moderate and cheap price ranges. Do you have a star or price range preference? Sentence11: I'd like to find somewhere to stay with free parking; I'm planning to rent a car during my stay. Sentence12: It was my pleasure to help. You have a great day. Goodbye. Sentence13: Thank you. I believe that is everything I need today. Sentence14: Yes, I need to leave after 17:30, please. I don't need tickets right now, I'll just need the price, travel time, and train ID. Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I have 5 choices for you. If I might suggest the Holy Trinity Church. It has the most unique architecture in our area. They also offer free admission. Sentence2: I will be visiting the centre. Sentence3: Like I mentioned, Holy Trinity Church is totally free. Is there anything else you'll be needing today? Sentence4: Sounds great. Do you happen to know the entrance fee for it? Sentence5: OK I HAVE 1 TRAINS THAT LEAVE AROUND THAT TIMES ONE AT 21:39 WOULD THAT WORK FOR YOU ? Sentence6: I need a train that lease from London Liverpool Street on Tuesday. Sentence7: Yes as long as it leaves AFTER 20:45 that will be fine. How much is it and how long is the travel time? Sentence8: There are 10 days departing London Liverpool Street on Tuesday. Is there a certain time of day you need to travel? Sentence9: No, I don't think so! Thank you for your help! Sentence10: How about architecture type instead? Sentence11: Thank you for using Cambridge TownInfo centre. Please remember us for all of your future travel needs. Sentence12: Which area are you interested in visiting in town? Sentence13: I would like to leave after 20:45. Sentence14: the train ride is 88 minutes and the cost is 16.60 pounds. it leaves at 21:39 and your reference number is Q6UN1GVR . is there anything else i may help you with? Sentence15: There is no entertainment in the centre. Would you be interested in a different type of attraction? Sentence16: I am looking for places to go in town. What type of entertainment is there in the centre? Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: I will need a taxi to get to the botanic gardens. Sentence2: am also looking for a particular restaurant. Its name is called the copper kettle Sentence3: Can you help me find Cambridge University Botanic Gardens? Thanks. Sentence4: Great that's all I needed, thank you. Sentence5: The postcode is cb21sj. Can I help you with anything else? Sentence6: No problem, we are always here to help. Good day! Sentence7: I'm sorry, I do not have that information. Sentence8: what's the postcode? Sentence9: Ok. The copper kettle is a british restaurant located at 4 Kings Parade in city centre. Sentence10: Do you need it from the restaurant? What time would you like to leave? Sentence11: Do you know the hours that they are open? Sentence12: I would like to leave by 21:15. Could you provide a contact number and car type? Sentence13: I'm looking at Yellow Lexus that will pick you up from the restaurant. The contact number is 07336692498. Sentence14: Yes, cambridge university botanic gardens is a park located in the centre of town, there is a 4 pound entrance fee. Question: Who has spoken the sentence 5? (A) User (B) System


Output: Answer: (B) System


