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

Example Input: Sentence1: Your booking is complete, a black toyota will pick you up. The contact number is 07768938666. Sentence2: I need to leave after 07:45. Sentence3: I am going to allenbell Sentence4: Thats perfect that you for your help Sentence5: You're welcome. Do you have any other concerns? Sentence6: I don't. I appreciate your help. Goodbye for now. Sentence7: OK, I'm glad I was able to assist you. If there ever is anything else don't hesitate to contact us. Sentence8: I'd love to help! Where are you going? Sentence9: And when would you like to leave or arrive by? Sentence10: Hi, I need to get a taxi out of kohinoor. Question: Who has spoken the sentence 9? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: No but I do need a train that will depart from peterborough and should go to cambridge. Sentence2: When would you like to depart or arrive? Sentence3: The ticket price is 16.50 pounds. Would you like me to book that for you? Sentence4: No than kyou. Sentence5: And how much is a ticket? Sentence6: The duration of the train ride is 50 minutes. Sentence7: TR8509 will leave Peterborough at 15:19 and arrive in Cambridge at 16:09. Would you like to book tickets on this train? Sentence8: Ok! Have a great day! Sentence9: Yes, there is. It's located in the centre area and has free admission. Would you like more information about it? Sentence10: Are you sure that there is absolutely nothing else that you need? Sentence11: No, I think I'll hold off on that. That's it for today. Thanks for your help. Have a great day. Sentence12: maybe, what's the duration of the train ride? Sentence13: I need the attraction type and address. Sentence14: I'd like to depart after 15:00 on thursday no preference on arrival. Sentence15: The Scott Polar Museum is a museum located on Lensfield Road. Would you also like their phone number? Sentence16: A friend told me about an attraction called the scott polar museum. Question: Who has spoken the sentence 8? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Booking completed! Booked car type : grey bmw Contact number : 07935848087 Sentence2: Sure thing. I would suggest the old schools. Sentence3: You're right. I forgot to select an architectural sight that I wanted to visit. Could you suggest one in the city centre. Sentence4: Yes, I'll also need a taxi to commute between the two places. I'll need to be at the restaurant by 13:30, of course. Sentence5: there is no greek restaurant in the centre. can we change the location? Sentence6: Thank you, you too. Sentence7: Okay and where do you need the taxi to pick you up? Sentence8: In addition to architecture, colleges, and museums, we also have boat attractions, nightclubs, and theatres in the centre. Sentence9: I would be interested in seeing some interesting architecture. Sentence10: I need it to arrive before the 13:30 at the restaurant. Can you give me a contact number and the car type that will pick me up? Sentence11: Well, how about African food? Sentence12: No thank you though. I would like information on greek restaurants that would be in the same area as the churches you suggested, please? Sentence13: thanks that's all i need Sentence14: I can do that. I'm sorry, but can you clarify your departure site? It appears it would be a location in the centre? Sentence15: Bedouin is an expensive serving african food in the centre of town. Sentence16: That sounds good, can you book 2 people at 13:30 on Tuesday. Sentence17: Can I assist you with anything further, today? Sentence18: Booking was successful. Reference number is : IA596HSH . Is there anything else I can do for you? Sentence19: That's all I need, thanks so much for all of your help! Have a great day! Sentence20: There are a few places, mainly churches, that have great architecture. Do you want information on any of those? Sentence21: Is there anything interesting to see in the centre of town? Sentence22: That sounds good, can you book the taxi from there to the restaurant? Question: Who has spoken the sentence 16? (A) User (B) System
Example Output:
Answer: (A) User