Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: I need one that includes free wifi and is in the centre. Sentence2: Yes can you book it for 3 people Thursday at 20:00? Sentence3: Why, yes it is in the center. I can book you a reservation if you like. Sentence4: There is one option. It is cityroomz, a 0 star hotel. Sentence5: I definitely can. For how many people and how many nights? Sentence6: Can you book it for me? Sentence7: The postcode is cb12tz. Is there anything else I can do for you today? Sentence8: Can you book a taxi to pick me up from cityroomz and take me to Anatolia, arriving by 20:00? Give me car type and contact info Sentence9: Okay. Well, if you should need further assistance, don't hesitate to contact us. Thank you and goodbye. Sentence10: No thank you, that will be all for now. Sentence11: is it located in the centre? Sentence12: I will also need a taxi to pick me up at the hotel and take me to the restaurant. Sentence13: And what is the postcode? Sentence14: I can help you with that. I was able to get you a table for 3 at 20:00 on Thursday. The restaurant will hold your table for 15 minutes. Sentence15: Actually I just need to know how many stars they hotel has and the postcode. Sentence16: Sure, there are two. I recommend the Anatolia. Would you like a reservation? Sentence17: Thanks. O'm also looking for a place to stay, moderately priced. Sentence18: I'm looking for a moderately priced Turkish restaurant. Sentence19: Sure can, the booking has been completed! The car type is a yellow skoda and the contact number is 07710275649. Can I help with anything else? Sentence20: Again that has been booked your car type is a yellow skoda and the contact number is 07710275649. Can I help you with anything else? Sentence21: It is a 0 star hotel. Sentence22: There are three to choose from; The Ashley Hotel, Cityroomz, and the Lovell Lodge. Which would you like? Question: Who has spoken the sentence 1? (A) User (B) System
Output:
Answer: (B) System