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

Example Input: Sentence1: Yes, can I get a table for 4 on saturday at 15:15? Sentence2: Hi! Can you help me find a particular restaurant? Sentence3: unfortunately they are filled up for that time would you like me to reserve another time or would you like to choose another restaurant. Sentence4: Of course, there are 110 restaurants in town. Would you like me to search by restaurant name? Sentence5: The Varsity Restaurant serves international food in the center of town. Do you want me to book it for you? Sentence6: Excellent. I'll need the reference number. Sentence7: Yes, I am looking for the Varsity Restaurant. Sentence8: Yes, I will book a table for 4 on Saturday at 15:15. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output: Answer: (A) User

Example Input: Sentence1: Is there any Indian food on the west side of town. Sentence2: You're welcome. May I help with another query? Sentence3: Cocum is located at 71 Castle Street City Centre and their phone number is 01223 366668. Their price range is expensive. Sentence4: The price range doesn't matter. Sentence5: There are 6 Indian restaurants in the west part of town. What price range do you have in mind? Sentence6: There are no Hungarian restaurants in the west of town. Would you like to change your query? Sentence7: I would like a Hungarian restaurant in the west of town. Sentence8: Yes, but just for one. Sentence9: Would you like the name, address and phone number of a few of them? Sentence10: Goodbye. Sentence11: Thank you! Sentence12: Nope, I'm good. Thanks again. Question: Who has spoken the sentence 9? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: The Carolina Bed and Breakfast is a moderately priced 4 star guesthouse with free parking. Would you like to try that one? Sentence2: The phone number for The Carolina Bed and Breakfast is 01223247015. Can I help with anything else? Sentence3: Yes, can you book me at the guesthouse for 8 people? Sentence4: Sure thing, what day would you like to check in and how many days do you want to stay? Sentence5: I can provide you four names but not an entrance fee. I am sorry. Sentence6: I am not. Can you please give the phone number and entrance fee for one of them? Sentence7: I want to stay on the east side of town and I'm looking for a guesthouse type hotel. Sentence8: Ok, I also need a place to stay and I don't care about free parking, but can it be moderately priced? Sentence9: I have many options available. Is there a particular area of town you would like to stay or a number of stars you want? Sentence10: Just give me the phone number for the first one on your list, and can you confirm if that one has an entrance fee please. Sentence11: Of course, there are 4 public pools in Cambridge. Are you looking to visit any particular part of town? Sentence12: What is this hotel's phone number? Sentence13: I would like to find a pool that I can visit. Sentence14: The phone number for the abbey pool and astroturf pitch phone number is 01223902088. I am sorry, but they do not note if an entrance fee is required. Question: Who has spoken the sentence 2? (A) User (B) System
Example Output:
Answer: (A) User