Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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
Output:
Answer: (B) System