Teacher: You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
Teacher: Now, understand the problem? If you are still confused, see the following example:
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
Reason: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

Now, solve this instance: Sentence1: Yes. can you find any mediterranean restaurant please Sentence2: What price range would you like? Sentence3: I want a moroccan restaurant. Sentence4: The phone number for la mimosa is 01223 362525 and they are located at Thompsons Lane Fen Ditton. the postcode is C.B 5, 8 A.Q. would you like anything else today? Sentence5: I am sorry, I can't find any moroccan restaurant. Do you prefer any other type of food? Sentence6: La Mimosa is a restaurant serving mediterranean food in the centre of town, and is in the expensive price range. Sentence7: Thank you for using the Cambridge Restaurant system. Good bye. Sentence8: I would like the address, phone number, and post code information for La Mimosa please. Thank you! Sentence9: That's it. Thank you, goodbye Sentence10: Any price range will be fine. Question: Who has spoken the sentence 9? (A) User (B) System
Student:
Answer: (B) System