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: That is all I need for today. thank you. Goodbye. Sentence2: I have 7 available. The first leaves at 17:32, and arrives at 18:32. Would you like me to book that for you? Sentence3: I'll be departing from Broxbourne and I'd like to go to Cambridge. Sentence4: I'm not looking to book at the moment, can I just get the train ID? Thanks! Sentence5: Okay glad I could help. Enjoy your trip. Sentence6: I'd like to find a train that leaves after 17:00 on Saturday. Sentence7: Of course! TR0811 leaves at 17:32, arrives at 18:32, with a duration of 60 minutes. The price is 14.32 pounds. May I assist you with anything else? Sentence8: Absolutely, I need departure and destination information and a time you need to arrive by. Question: Who has spoken the sentence 7? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Hi, I just had a fight with someone regarding an automobile accident we had and I need to contact the police! Sentence2: I have the parkside cambridge police telephone 01223358966. Sentence3: always welcome. at your service Sentence4: Thank you, Goodbye Sentence5: I'm not sure where you are, but the police postcode is CB11JG. Sentence6: Can I get the zip code or postal code for the area I'm in right now? Question: Who has spoken the sentence 3? (A) User (B) System

Output: Answer: (B) System


Input: Consider Input: Sentence1: Anything is fine. I need a reservation for 2 at 11:15 on Monday. Sentence2: Yes, can you tell me how much is the entrance fee? Sentence3: Sweet, I will head there now. Thank you that is all I need, you have rocked my world. Sentence4: Glad to be of assistance. Is there anything else I can help you with today? Sentence5: No, that's all I needed. thanks again. Sentence6: No problem! Enjoy yourself. Sentence7: Thank you so much for your help. Sentence8: Can you help me find a british restaurant in the centre? Sentence9: Downing College has a free entrance fee. Sentence10: The reservation at The Copper Kettle on Monday at 11:15 for 2 people was successful. Your Reference number is : PLRLM5II . Sentence11: Any time more than happy to help. Sentence12: that is located at the centre Sentence13: There are 7 moderate and expensive restaurants in the centre; do you have a price range you prefer? Sentence14: Can you please give me some information about downing college? Question: Who has spoken the sentence 1? (A) User (B) System


Output: Answer: (B) System