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 sorry, but the Leverton House was not available for your party on Tuesday. Would you like me to look for another hotel? Sentence2: In what area would you like? Leverton is in the East, should the hotel be in the same area? Sentence3: Is there another hotel available in the same price range? Sentence4: Hi, I'm looking for a hotel called Leverton House. Sentence5: No, you said Leverton wasn't available. Please just book a different hotel in the same price range as Leverton. Thanks. Sentence6: I have booked you a room at the Alexander Bed and Breakfast at 56 Saint Barnabas Road. Your reference number is JGTE0KGB . Is there anything else today? Sentence7: No, I don't care about the area, just the price. Recommend me one? Sentence8: You're welcome. Good-bye. Sentence9: The Leverton House is a guesthouse in the east of the city. Their phone number is 01223292094. Sentence10: Yes Leverton is in the cheap price range. Would you like me to book it for you? Sentence11: Thank you. Please book a reservation for 6 people for 2 nights starting tuesday. Sentence12: That will be all, thank you. Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: It is in the centre part of town. Sentence2: That's all. Thank you, goodbye! Sentence3: What is its phone number? Sentence4: Okay, thanks. And what area is it in please? Sentence5: Michaelhouse Cafe is at St. Michael's Church Trinity Street City Centre. How does that sound? Sentence6: I am looking for a restaurant in the expensive price range that serves Belgian food. Sentence7: The phone number is 01223 309147. Sentence8: I have nothing available meeting your request, would you like to try a different price range or another type of cuisine? Sentence9: What is the address of the restaurant? Sentence10: Yes, is there any expensive European eateries? Sentence11: That's good, thanks. Sentence12: Would you like anything else? Sentence13: Yes, there are 4 expensive restaurants serving european food. Which area would you like? Sentence14: your welcome. thanks for calling Question: Who has spoken the sentence 1? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: You're quite welcome! Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence2: I was able to reserve a table. Your reference number is 2SLK6U5L . Is there anything else you'd like me to do? Sentence3: No, I think that covers everything. Thanks so much for your help! Sentence4: Sounds great. Please book a table for 3 at 20:00 on Friday and give me the reference number. Sentence5: There are restaurants that serve british food. What is your price range? Sentence6: There are 3 expensive restaurants in the centre of town that server British food. I would recommend the Midsummer House Restaurant. Sentence7: I want to eat fine british food. Sentence8: I like expensive restaurants and would prefer something in the city centre. Question: Who has spoken the sentence 4? (A) User (B) System


Output: Answer: (A) User