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

Ex 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

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: I need a place to stay with free wifi. Sentence2: Location doesn't really matter as long as there's free parking available. Sentence3: Ok, I have several hotels. Any particular location? Sentence4: How about the Gonville Hotel located in the centre area of town? Sentence5: What is their postcode? Sentence6: Their postcode is cb11Iy, address gonville place, phone 0122336661 they have wifi and free parking too. Would you like me to book this for you? Sentence7: I have several available. What is your price range? Sentence8: Between $100-$300 per night. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: The first train leaves at 5:24. Sentence2: I think that should be it for today. Thank you so much for all of your help, you've been very kind! Sentence3: I would like to go to a museum the area doesn't matter. Sentence4: I'll be going to cambridge from stansted airport. I'd like to arrive by 09:30. Sentence5: Ok, that will work out. Can I have the train ID # please? Thanks so much Sentence6: Sounds good. I am also looking for a train for tuesday. Sentence7: Which is your favorite, and what area is it in? Sentence8: Are you looking for a place to stay, to eat, or a attraction to visit? Sentence9: I'd be happy to help you with that. Can you tell me where you're leaving from and your preferred travel times? Sentence10: I am looking for information in Cambridge. Sentence11: The train ID is TR9892. Sentence12: Your welcome, enjoy your stay in cambridge. Sentence13: We have many museums in Cambridge. Would you prefer one with a free entrance fee? Sentence14: I like byard art. It's located in the south. Question: Who has spoken the sentence 11? (A) User (B) System

Ex Output:

Answer: (B) System