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

Example Input: Sentence1: I cannot find any restaurants serving halal food. Do you have any other preferences? Sentence2: How about indian food? Sentence3: Their address is 71 Castle Street City Centre, their phone number is 01223 366668. Sentence4: Is Cocum located in the east part of town? Sentence5: No, the Cocum is located on the West part of town. Would you like me to find an Indian restaurant on the east part of town? Sentence6: I have 4 Indian restaurants showing for the east part of town. They are Curry Prince, Pipasha Resteraunt, Rajmahal, and Sitar Tandoori. Sentence7: Correct Sentence8: Hello, I am looking for a restaurant that serves halal food. Sentence9: The Cocum serves Indian food. Sentence10: What is their address and phone number? Question: Who has spoken the sentence 1? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: There are 2 expensive French restaurants. Restaurant Two Two, and Cote. Which would you like to book? Sentence2: No, that's everything I needed today. Thank you. Sentence3: Are you able to find me a french expensive restaurant? Sentence4: You're quite welcome! Thanks for contacting the Cambridge TownInfo Centre and have a great day! Sentence5: I like the sound of Restaurant Two Two, could you give me their postcode, address and phone number? Sentence6: Restaurant Two Two is located at 22 Chesterton Road, Chesterton. Their postcode is cb43ax. You can reach them at 01223351880. Any other information I can provide? Question: Who has spoken the sentence 5? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: Nope, that's all I need for now. Thanks for your help. Sentence2: Okay, thank you for calling the Cambridge TownInfo centre. Have a great day. Sentence3: No, I don't have any preferences. The Pizza Hut sounds good, can I get their phone number and postcode? Sentence4: Are there any italian ones? Sentence5: Sure, they can be reached at 01223323737 and are in the cb21ab postcode. Anything else I can help you with today? Sentence6: There are 3 cheap italian restaurants in the centre, including a Pizza hut. Do you have any preferences? Sentence7: I have 2 asian oriental and 3 chinese places that fit your requirements. Do you have a preference? Sentence8: I'm looking for a restaurant. The restaurant should be in the centre and should be in the cheap price range. Question: Who has spoken the sentence 5? (A) User (B) System
Example Output:
Answer: (B) System