Detailed Instructions: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
See one example below:
Problem: Sentence1:i need a place to dine in the center thats expensive Sentence2: I have several options for you; do you prefer African, Asian, or British food? Sentence3: Any sort of food would be fine, as long as it is a bit expensive. Could I get the phone number for your recommendation?Question: Who has spoken the sentence 2? (A) User (B) System
Solution: Answer: (A) User
Explanation: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Problem: Sentence1: No thanks. Thank you for working with me on the second booking. Have a great day. Sentence2: Wait...it is expensive? I was looking for a moderately priced place. Sentence3: Done! The table will be reserved for 15 minutes. Your reference number is 0E8ZWWQN . Can I help you with anything else? Sentence4: I want to go to a museum. Sentence5: No worries, I found 3 Chinese restaurants that are priced moderately. I recommend the Jinling Noodle Bar. Would you like a reservation? Sentence6: What time would you like that reservation? Sentence7: Id like to make a reservation for 4 on sunday. Sentence8: An art gallery would be wonderful. Sentence9: The phone number is 01223314960. Is there anything else I can do to assist you today? Sentence10: At 18:30 please. Sentence11: How about Broughton House Gallery over in Centre, they are located at 98 King street and has no entrance fee. Sentence12: yes book for 4 people at 18:30 on sunday Sentence13: So ugly duckling is in the centrem it's pretty expensive and they don't have a phone number, but they're on 12 St. Johns Street City Centre. Sentence14: You are very welcome. Enjoy your day. Bye. Sentence15: In which specific area of town are you interested? Sentence16: Yes, the price range is expensive. Did you want me to cancel it? Sentence17: Yes, I'm also looking for a chinese place to eat in the same area. Sentence18: Booking was successful. The table will be reserved for 15 minutes. Reference number is : LI8D2S6Y . Is there anything else I can assist you with? Sentence19: Oh God, yes. I want to eat at a moderately priced restaurant. Sentence20: Yes, that would be great. Can you also give me the phone number for that location? Sentence21: There are many wonderful museums; is there anything more specific? Art, gallery, archaeology that you want to see? Sentence22: I would like to stay in the centre area. Question: Who has spoken the sentence 19? (A) User (B) System
Solution:
Answer: (B) System