Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: Ok that sounds nice please book that for 3 nights for 8 people starting on saturday. Sentence2: I have so many choices for you. It would be better to narrow the down by area. Sentence3: i also need a taxi to commute between the two places Sentence4: When would you like to leave by? Sentence5: there are no restaurants with swiss food kindly suggest another, Sentence6: I would recommend Rosa's Bed and Breakfast. Would you like to make a booking? Sentence7: I want a place to eat that serves swiss food. Sentence8: I am also needing help finding a room. I don't care if they offer free parking or internet. Sentence9: Michaelhouse Cafe, 15-19 Trumpington Street, reservation for Saturday for 8 people. The table will be reserved for 15 minutes. Reference number VRZWVKT7 . Will there be anything else today? Sentence10: Thank you very much! Sentence11: I don't need a reservation right now but can I get more information? Sentence12: Rosa's is a guesthouse in the cheap price range. It has 4 stars. The address is 01223512596 and the postcode is cb22ha. Do you need more information? Sentence13: How about does anyone serve European food? Sentence14: Have a nice day. Sentence15: I have many places serving European food. Do you have a price range preference? Sentence16: Ok I need departure location, arrival location and travel time to book your taxi. Sentence17: Okay I have booked the taxi and you should expect to see a yellow Skoda and your contact number is 07075628107. Sentence18: May I assist you with anything else today? Sentence19: Your room has been booked. Your reference number is JXKUVL9Y . Sentence20: I'd like a hotel in the south to stay at. It doesn't need to include internet, nor no need to have free parking. Closer to the restaurant would be preferred. Sentence21: Thank you. Have nice trip and call back with any questions. Sentence22: I will be leaving Rosa's Bed and Breakfast and heading to the restaurant. Please ensure the taxi arrives before 11:30. Sentence23: It doesn't matter. Please make a recommendation and book a table for 8 people at 11:30 on saturday. Sentence24: I would like to leave in time to arrive at the restaurant for my reservation at 11:30. Question: Who has spoken the sentence 17? (A) User (B) System
Output:
Answer: (B) System