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: Your reservation was successful and your reference number is UO8AN5FO . Is there anything else that I can help you with today? Sentence2: I am looking for the Alpha-Milton Guest house and would like to book it for 5 people for 2 nights starting Friday. Can you send me the reference please? Sentence3: That's all, thank you so much! Sentence4: Thank you for calling, enjoy! Goodbye. Sentence5: Sure, what is the name of the hotel? Sentence6: Hello. Can you help me in locating a certain hotel? Question: Who has spoken the sentence 2? (A) User (B) System

Output: Answer: (A) User


Input: Consider Input: Sentence1: No, that is all. Thanks for being so helpful for my upcoming trip. Looking forward to my stay. Bye. Sentence2: Yes, please. Would you book it for 8 people on Tuesday at 13:00? I need to be sure to get the reference number, please. Sentence3: Yes free parking and internet. Would you like me to book it for you? Sentence4: Does the hotel have free parking? Sentence5: I don't have a preference. It should be in the centre, however. Sentence6: There is the Ashley Hotel, which is a two star hotel in the north. Shall I book it for you? Sentence7: bedouin is a very nice african restaurant. Shall I book it ? Sentence8: Sure, what type of food do you want me to look for? Sentence9: Booking was successful. The table will be reserved for 15 minutes. Reference number is : P29I9V5T . Sentence10: Thank you. I'm also in need of a place to stay. I'd like it to be a hotel with a star of 2. Sentence11: Your welcome, I'm glad I could help. Sentence12: Yes please for 3 nights for 8 people on Tuesday. Sentence13: You are good to go, in case you need it, the reference number is FBC4YKK9, can I help with anything else? Sentence14: I need an expensive restaurant in the centre Question: Who has spoken the sentence 9? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: It doesn't really matter. What's your recommendation? Sentence2: There are 44 attractions in the centre of town. What kind of attraction do you want to visit? Sentence3: The post code is CB21SU. Do you need anything else? Sentence4: Cambridge Contemporary Art, what's their post code? Sentence5: I want to find some good places to go in the centre of town. Sentence6: Thank you for your help! Sentence7: Holy Trinity Church is popular for its architecture. Christ's College finds people touring the campus. Or, Cambridge Contemporary Art is a free museum. Any of those interest you? Sentence8: My pleasure! Have a good day! Question: Who has spoken the sentence 4? (A) User (B) System


Output: Answer: (A) User