Definition: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Input: Sentence1: I am also looking for some where to go in the center of town. Sentence2: Did you have something in mind. We have lots of great things to do--colleges, museums, theatres, nightclubs, etc. Sentence3: On Thursday at 19:30 please. Sentence4: Okay great! Your car will be a grey bmw and the contact number is 07720582184. Sentence5: yes we have art galleries and anthropology and archaeology museums. Sentence6: I'm not sure. What types of museums are there? Sentence7: I'd like to get a taxi from the museum to the restaurant, to get there in time for my reservation. Sentence8: Six people will be dining. Sentence9: select one and give me its entrance fee, attraction type and phone number Sentence10: The restaurant is called the Cambridge Chop House. I would really like to make a reservation there. Sentence11: Your reservation has been made. The table will be reserved for 15 minutes. Your reference number is: KOOJ1Y7I . Is there anything else I can help you with? Sentence12: Great, how many people will be dining? Sentence13: the fitzwilliam museum is very popular. There is no entrance fee and their phone number is 01223332900. Is there anything else I can do for you today? Sentence14: Very good, thank you kindly, that will be all. You are dismissed. Sentence15: What day and time would you like to make the reservation? Sentence16: Thank you for contacting the Cambridge TownInfo centre. Goodbye Sentence17: Do you know the name of the location? Sentence18: I have a particular restaurant that I need to find please. Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System