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

Ex Input:
Sentence1: Sounds good. Have a good day. Sentence2: Thank you very much. I will contact them now. Sentence3: Can you give me the contact info for the nearest police station? Sentence4: Sure! The Parkside Police Station is located at Parkside, Cambridge and can be reached at 01223358966. Question: Who has spoken the sentence 2? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: It's cb12bd. Anything else I can get you? Sentence2: How about something in the south and moderate price range? Sentence3: I'll take Rice House, what's the postcode? Sentence4: There are 3 cheap chinese restaurants in the centre of town: Charlie Chan, Rice House, or Golden House. Would you like me to book any of these? Sentence5: Sure let's try chinese food. Sentence6: I was not able to find any restaurants matching your requirements. Sentence7: I'm still not finding anything. Would you like me to search a different part of town or a different food type? Sentence8: You're welcome. Have a great day! Sentence9: That's all. Thank you. Sentence10: I am looking for a cheap gastropub restaurant in the centre of town Question: Who has spoken the sentence 6? (A) User (B) System

Ex Output:
Answer: (A) User


Ex Input:
Sentence1: You have been very helpful. Thank you. goodbye. Sentence2: Yes I certainly can! Your reservation was successful and your booking reference is 5F3KBH78 . Sentence3: Can you make reservations for 6 at 14:30 on Thursday? Sentence4: The J restaurant serves cheap asian oriental food in the centre of town. Their phone number is 01223307581. The address is 86 Regent Street City Centre. Sentence5: Can you tell me about the J Restaurant? Sentence6: Glad to help. Have a great day and enjoy your meal. Good bye. Question: Who has spoken the sentence 4? (A) User (B) System

Ex Output:

Answer: (A) User