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: Sorry about that, i'm leaving from norwich. Sentence2: Brookshite? Can you please repeat that? Sentence3: You are more than welcome! Sentence4: Ok. I can help you find a train. Where will you be departing from? Sentence5: ive boked that for you trainID departure destination day leaveAt arriveBy price duration book (optional) TR9900 norwich cambridge friday 05:16 06:35 17.60 pounds 79 minutes Sentence6: Thank you for your help Sentence7: I will be leaving from Brookshite. Sentence8: You're all set! The reference number is 44LHUSZT . Sentence9: I'm looking for a train going to cambridge. Sentence10: Yes please book that and I need the reference number. Question: Who has spoken the sentence 3? (A) User (B) System
Example Output: Answer: (B) System

Example Input: Sentence1: There are 4. Cambridge artworks, cambridge museum of technology, gallery at twelve high st, and st barnabas press gallery. Sentence2: Yes please. Book it for 2 on Wednesday at 11:45. Sentence3: The booking for 10:45 was successful, your reference number is X91CKCCU . Is there anything else I can do for you? Sentence4: I'm looking for a concert hall in the east. Sentence5: You are all set, look for a grey bmw, the phone number is 07332820178, can I assist with anything else? Sentence6: I will need a taxi to go between the two places please. Sentence7: I'd like to get some information on a restaurant in the same area, maybe serving indian food? Sentence8: We have 9 options in the centre for Indian food, any preference on price range? Sentence9: How about a museum in the east? Sentence10: I'm pleased I could assist you. Sentence11: I would recommend Saffron Brasserie then, the atmosphere is fantastic. They are expensive. Would you like to make a reservation there? Sentence12: Where will you be departing from? Sentence13: I would like to arrive at 10:45. Sentence14: Thank you for your help! Goodbye! Sentence15: Cambridge Artworks' number is 01223902168, Cambridge Museum of Technology is 01223368650, Gallery at twelve a high street 01223295264, and Saint Barnabas Press Gallery 01223902116. Can I help you with anything else? Sentence16: Cambridge Artworks please and going to Saffron Brasserie. Sentence17: I was unable to make a reservation at the time you wanted. Would you like to try another time Sentence18: I have no preference on the price range. Sentence19: Thank you for contacting Cambridge TownInfo centre. Goodbye! Sentence20: I am sorry but there are no concert halls in the east. There is one in the centre of town, though. Do you want more information about it? Sentence21: No, thats it thanks! Sentence22: Please try 10:45. Sentence23: Thank you very much, could I have the phone number for each of those museums? Sentence24: Okay, when would you like to leave? Question: Who has spoken the sentence 1? (A) User (B) System
Example Output:
Answer: (B) System