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

Ex Input:
Sentence1: Okay great, have a good day. Sentence2: Yes, quite a few! There's Broughton House Gallery, the Whipple Museum of the History of Science, and more. Would you like to know more about them, or the others? Sentence3: Yes, can you book it for 3 people and get me the reference number? Sentence4: Primavera is at 10 King s parade CB2 1st, the phone number is 01233357708. What day would you like to board the train? Sentence5: Could I get the address, phone numbers, and postcodes of them please? I'm also looking for a train from cambridge to broxbourne. Sentence6: Can you find me a multiple sports attraction in the centre? Sentence7: No, actually. I am all finished. Thanks for the help. Goodbye. Sentence8: Train TR9580 departs from Cambridge at 10:01 on Sunday and arrives at Broxbourne at 11:01. Would that work for you? Sentence9: Sorry there's no multiple sports in the centre. Would you like to try a different area? Sentence10: There are 11 museums in the area. They are all free. There are several art museums, an archaelogy museum, and a science museum. Sentence11: Yes I would love some information. Sentence12: Are there any museums in the centre? Sentence13: Sunday, and it should arrive by 12:00. Sentence14: Booking was successful, the total fee is 42.96 GBP payable at the station . Reference number is : IRD8RUWO . Do you need help with anything else? Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: You're very welcome! Goodbye. Sentence2: When and where did this accident occur? Sentence3: Absolutely! The police station phone number is 01223358966 and their address is Parkside, Cambridge. What else can I do to help? Sentence4: I just need an address and phone number for the police please Sentence5: I was in a car accident dispute and I am looking for help Sentence6: I think that is it, thank you. Question: Who has spoken the sentence 1? (A) User (B) System

Ex Output:
Answer: (B) System


Ex Input:
Sentence1: Yes I need table for 6 people at 12:15 on saturday Sentence2: I am looking for a place to dine. The restaurant should be in the west and should serve british food Sentence3: No, thanks for your help! Sentence4: Travellers rest is amazing. would you like a reservation? Sentence5: Your party of 6 is booked for Saturday at 12:15. Your reference number is 6W59CFFR . Is there anything else? Sentence6: You're quite welcome! Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:

Answer: (A) User