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: Thank you for using our services. Sentence2: Absolutely, their phone number is 01223358966. Sentence3: You've given me everything I need. Thanks. Goodbye. Sentence4: Am looking for the Parkside Police Station Sentence5: You're welcome. Is there anything else I can help you with today? Sentence6: Thanks for all of your help! Sentence7: You can contact them at Parkside, Cambridge, CB11JG Sentence8: Can I also get their phone number please? Question: Who has spoken the sentence 4? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: Okay. Can you tell me how much it costs to get in? Sentence2: No thank you, that is everything. Sentence3: I am looking for an architecture attraction somewhere in Cambridge. Sentence4: You're welcome. Have a good day! Sentence5: There are 5 different attractions all located in the centre of the city. I'd recommend holy trinity church. Sentence6: The vehicle you will be expecting is a black Tesla . The contact number is 07726876557. Anything else you need? Sentence7: Your hotel is booked starting Wednesday and your reference number is PADGS18 . May I assist you with anything else today? Sentence8: I have booked you a taxi that will pick you up at 1:15 from Holy Trinity Church. Would you like the car type and contact number? Sentence9: Yes, what can you tell me about a hotel called the Warkworth House? Sentence10: I would like to book it for 8 people for 2 nights starting on wednesday. Sentence11: Yes, please, that would be nice. Sentence12: It is free. Is there anything else that I can help you with? Sentence13: Actually, yes. I need a taxi to pick me up from Holy Trinity Church at 1:15 and take me to the hotel. Sentence14: Hey, the Warkworth is in the East part of town, it's a four star hotel with moderate pricing. What can I tell you about it? Question: Who has spoken the sentence 10? (A) User (B) System

Output: Answer: (A) User

Input: Consider Input: Sentence1: I have 4 different ones. The best in that area is the Cambridge Artworks. It's located at 5 greens road. Their postcode is cb13ef. They offer free admission also. Sentence2: I need it to arrive by 12:15. I don't know how long the ride is? Sentence3: I will be leaving from cambridge. Sentence4: Booking was successful the total is 113.4GBP and can be paid at the station. Your reference number is EKI0YZF7 . Sentence5: That sounds great. Could you give me their phone number? Sentence6: What time would you like your train to depart? Sentence7: Can you also give me some information on museums in the east area? I need postcode and phone numbers. Sentence8: Great. Have a fantastic time! Thanks for using Cambridge TownInfo centre. Sentence9: Yes, for 3 people please. Sentence10: No thanks, that will be all. Sentence11: Where will you be departing from? Sentence12: Yes I am looking for a train that is leaving monday to leicester Sentence13: There is a train that leaves at 9:21 and will arrive by 11:06 would you like me to book it? Sentence14: Their phone number is 01223902168. Can I help you with anything else today? Question: Who has spoken the sentence 4? (A) User (B) System
Output: Answer: (A) User