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

Example Input: Sentence1: They can be reached by calling 01223358966. Sentence2: Take care. Goodbye. Sentence3: How do I contact the Parkside, Cambridge police station? Sentence4: I'll need to address also. Sentence5: contact the Parkside, Cambridge police station Sentence6: No, thank you. Sentence7: The Parkside Police Station is located in Parkside, Cambridge and the Postcode is CB11JG. Is there anything else I can help you with? Sentence8: Help me, please, I was just the victim of a robbery! I need help right away! Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Thanks, I'm also looking for some places to go in the centre. Sentence2: There are 44 different attractions in the centre. Can you narrow down your choices? Sentence3: Ok. And where are you leaving from? Sentence4: The phone number for All Saints Church is 01223452587 and they are located on Jesus Lane. They do not charge an entrance fee. Can I do anything else for you? Sentence5: I think whatever you think is the best place, just choose that. I am not picky. Sentence6: No, that will be it. Thank you so much for your help! Sentence7: I would want to find a train going to Cambridge. Sentence8: it should arrive by 11:15. get me the price Sentence9: Thank you for using our service! Sentence10: Okay, there are 10 trains available. Do you have a departure or arrival time in mind? Sentence11: The train should leave on wednesday and should depart from ely Sentence12: that sounds lovely, what is their phone number, address and any entrance fee's? Sentence13: TR2006 is leaving at 11:35 and costs 4.40 pounds. Sentence14: Perhaps you would enjoy seeing All Saints Church on Jesus Lane? Question: Who has spoken the sentence 8? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: I'm actually going to call the hotel before I make the reservation. I think you for your time. Have a nice day. Sentence2: No thanks. No need to book at this time. Can you tell me about a hotel called the Avalon? Sentence3: Sure. Can I get some more information? Where were you wanting to go to? Sentence4: I would be leaving Cambridge and heading to Peterborough on Tuesday. Sentence5: The Avalon is a 4 star guest house. The phone number is 01223353071. Would you like me to make a reservation for you today? Sentence6: Yes, I need to arrive in Peterborough by 13:45. How long is the train ride? Sentence7: You need to tell me how many people are staying at what days. Sentence8: Is there a specific time you would like to depart or arrive by? Sentence9: It is a moderately priced hotel on the north. Sentence10: Sounds great. How many stars it that? And can I have the phone number? Sentence11: The train ride is 50 minutes long. TR6310 leaves at 12:34 and arrives at 13:24. Would you like me to book you a ticket? Sentence12: Is there anything else I can help you with ? Sentence13: Hello, I am looking for information. Can you help me with a train? Sentence14: Yes please make the reservation. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User