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

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: I am also looking for Cambridge Contemporary Art. Sentence2: Can you give me their entrance fee and phone number? Sentence3: Maybe. What is the star rating and price range on that hotel? Sentence4: Are there any available rooms in the Autumn House? Sentence5: You're welcome. Enjoy your stay. Sentence6: You are all set. Your taxi would be a red lexus and you can contact them at 07614169632. Is there anything else I can help? Sentence7: no problem. Their phone number is 01223324222 and the entrance fee is free. Sentence8: Sure, I have found it for you. Is there anything you want to know about? Sentence9: That's all i need. Thank you so much for the help! Sentence10: Autumn house has a guesthouse. When are you looking to stay? Sentence11: it has four stars and its cheap Sentence12: Awesome. Can you also help me to book a taxi from the hotel to the attraction? I want to leave the hotel by 24:45. Question: Who has spoken the sentence 5? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: I'd actually like to book a taxi to commute between those two places you found for me. I need to leave the hotel by 09:15 please. Sentence2: Can I help you with anything else today? Sentence3: Unfortunately, the hotel is not available for your criteria. How about checking another hotel? Sentence4: The Curry Garden is located at 106 Regent Street City Centre, postcode cb21dp. Would you like to conduct more searches for other locations? Sentence5: Is it available for 4 nights starting from Sunday for 6 people? Sentence6: The Curry Garden is a popular choice. Sentence7: I need a hotel with free wifi but I don't need free parking. Sentence8: I'm looking for one that is moderately priced and don't have a preference on where exactly it is. Sentence9: Let's go with that. What's the address? Sentence10: thank you for your help goodbye Sentence11: Thank you, I also need a place to eat in the centre of town. Sentence12: I found quite a few options for you. Could I narrow it down by price range? Sentence13: I'm looking for Indian food, please. Sentence14: The Ashley hotel is the North and is priced at moderate. Sentence15: I was able to book that, reference number is 49SWXAT1 . Sentence16: Sure! I have booked a yellow BMW to pick you up at 09:15 from your hotel. The contact number for the taxi is 07744629357. Sentence17: No That is all. Again thank you. Sentence18: Thank you and good bye! Sentence19: could you try the same one, three nights only? Sentence20: There are over 30 to choose from. Is there a certain part of town you prefer? Sentence21: Great! Thank you for your help. Sentence22: No, price does not matter. Right now I'd just like a recommendation. Sentence23: Thank you for using the Cambridge TownInfo centre. Have a good day. Sentence24: Yes can we narrow it done by food type or price range? Question: Who has spoken the sentence 4? (A) User (B) System
Example Output:
Answer: (A) User