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

Ex Input:
Sentence1: Thanks, can I also have the phone number and postcode? Sentence2: I'm sorry this happened to you, I really hope that the police are able to help. If there is anything else I can do for you don't hesitate to ask. Sentence3: Yes, the postcode is CB11JG and the phone number is 01223358966 Sentence4: I've been robbed and need the police. Sentence5: Great, thank you for your help. I don't need anything further. Sentence6: Okay, the police station is located at Parkside, Cambridge. Question: Who has spoken the sentence 5? (A) User (B) System

Ex Output:
Answer: (B) System

Ex Input:
Sentence1: Yes, one ticket is fine. Sentence2: Hi I need to get to Cambridge by 5:30 PM. Is there a train for that? Sentence3: Nope, that's it! Thanks! Sentence4: Thank you for using our service. Have all of your needs been met? Sentence5: You're welcome. Good-bye. Sentence6: And you would like to book just one ticket, is that correct? Sentence7: I will be departing from Norwich on Wednesday. Sentence8: There are multiple options that will get you to Cambridge by 5:30pm. Could you please tell me where you will be departing form and what day you are traveling? Sentence9: TR0033 departs Norwich at 15:16 and will arrive in Cambridge at 16:35 (4:35p.m.). Would you like a ticket on that train? Sentence10: The trip is 79 minutes. Sentence11: That's all thank you Sentence12: Great. I have you on that train and your reference number is Y1XTHTJA . Is there anything else I may help you with today? Sentence13: Thank you for the information! Sentence14: That would be fine. How long is the trip? Question: Who has spoken the sentence 10? (A) User (B) System

Ex Output:
Answer: (A) User

Ex Input:
Sentence1: Of course, the contact number is 07336173784. Is there anything else you need? Sentence2: Yes, the taxi will pick you up at 9:00. It is a yellow lexus. Sentence3: I'd be happy to help! Where are you coming from? Sentence4: Is 9:00 good? Do you think forty-five minutes is enough time to get to the college? Sentence5: Do you have a time you would like to leave by? Sentence6: The pickup location will be finches bed and breakfast Sentence7: I need a taxi to arrive by 09:45 Sentence8: You're welcome, have a great day. Sentence9: Ok, I will also need your destination for booking purposes. Sentence10: Great. Can I get a contact number? Sentence11: I will be traveling to sidney sussex college today. Sentence12: That's all thanks Question: Who has spoken the sentence 8? (A) User (B) System

Ex Output:
Answer: (A) User