You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Ex 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

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: Kymmoy is in the centre of town and the phone number is 01223 311911. May I help you with anything else? Sentence2: Thank you, I have all I need. Goodbye! Sentence3: What is the phone number and area? Sentence4: Is there any expensive restaurants in town serving Australian food? Sentence5: You're welcome. Thanks for your call! Goodbye. Sentence6: Kymmoy is an expensive asian oriental restraunt in town. Sentence7: I'm sorry, there are no Australian restaurants. Would you like another type of food? Sentence8: How about asian oriental food? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: I recommend allenbell. It has 4 stars and is in your price range. May I book it for you? Sentence2: Sure the address is 1 wheeler street,postcode is cb23qb and the phone number is 01223842725. Sentence3: I have made your reservation for the Allenbell for 2 people for 5 nights starting on Tuesday. Your reference number is PYY0CNUX . Is there anything else I may assist you with? Sentence4: Yes, that would be great. I'll need it to start on Tuesday and go for 5 nights. It will be 2 people. Sentence5: Yes, Kambar is a nightclub in the centre of town. Can I give you some information on it? Sentence6: I'd like to find out if there's a particular attraction in Cambridge called kambar Sentence7: I'm sorry, I don't know of any expensive guest houses. Can I look for something else for you? Sentence8: Yes, there are a few of them. What price ranger would you like? Sentence9: Yes please, can I get the postcode, phone number, and address? Sentence10: I'd like a cheap one if that's fine. Sentence11: Thank you for calling. I hope you enjoy your stay. Goodbye. Sentence12: Hmm. Do you have any guest houses in the east with free wifi? Sentence13: I am also looking for a really pricey Guesthouse. Sentence14: No thanks. That takes care of all I needed. Goodbye. Question: Who has spoken the sentence 13? (A) User (B) System

Ex Output:
Answer: (B) System