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: You have two options. Dojo Noodle Bar and J Restaurant both fit your specifications. Which of these would you like me to make a reservation for you at? Sentence2: I have 15 cheap places to dine. Another food preference perhaps? Sentence3: Glad I could help, enjoy your stay in Cambridge. Sentence4: The address and the post code is all I need. Sentence5: I can't book it but I can provide you with the address if you'd like. Sentence6: Yes, is there anywhere that you can play some sports near the restaurant? Sentence7: Not really- what about a cheap restaurant? What are my choices? Sentence8: There is none available, do you have another type of food? Sentence9: Thank you, that's all I need today. Sentence10: Can you book that for me. Sentence11: Hello, I'd like to have dinner in the centre, is there anywhere that serves Afghan food? Sentence12: Yes, that would be a good idea. Can you search for one that serves asian oriental food for me? Thanks a lot Sentence13: Dojo Noodle Bar sounds interesting. Can you get me the phone number and post code for them? Sentence14: The postcode is cb19ej, and the address is colville road, cherry hinton Sentence15: I have the cherry hinton village centre located at colville road, cherry hinton. Sentence16: Sure, the phone number is 01223363471 and the postcode is cb21rq. Is there any other information I can help you with today? Question: Who has spoken the sentence 7? (A) User (B) System
Student:
Answer: (B) System