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'd like to find some place to go on the east side of town. Sentence2: Thank you. Have a good day, goodbye. Sentence3: I can certainly suggest something for you. I have 10 options. Do you prefer an entertainment venue, or perhaps a museum or park, etc? Sentence4: Sounds great. That's all I needed. Thank you! Sentence5: I would prefer just anything in the east, can you give me the address and attraction type of one? Sentence6: No problem. How does the Funky Fun House sound? It is standard entertainment and it is located at 8 mercers row, mercers row industrial estate. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: royal spice serves indian food in the cheap price range and is in the North part of town. Sentence2: royal spice's address is Victoria Avenue Chesterton Sentence3: What kind of food would like? Sentence4: Da vinci pizzeria serves Italian food in the cheap price range and is in the North part of town. Sentence5: Are there any other options? Sentence6: That sounds great. May I have their address please? Sentence7: I am looking for a cheap restaurant that is in the north part of town. Sentence8: enjoy! Sentence9: Thank you very much , bye bye Sentence10: Any Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: You're welcome. Have a good day. Goodbye. Sentence2: I am looking for a British restaurant that is moderately priced. Sentence3: How about the center? Sentence4: There are a few restaurants that will meet your needs. I suggest The Copper Kettle at 4 Kings Parade City Centre. Sentence5: Please book a table for 3 at 14:15 on Friday at The Copper Kettle. Sentence6: I was able to book a table for you at 14:15 at the Copper Kettle. Your reference number is 3ED8CQBU . Is there anything else I can assist you with? Sentence7: There are a few of them. Would you prefer the centre of town or the west area? Sentence8: That is all. Thank you very much! Question: Who has spoken the sentence 3? (A) User (B) System
Example Output:
Answer: (B) System