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: There are four theaters showing up in the centre part of town. It looks like one of them is a arts theater. Do you want info? Sentence2: That time was successful. Your table will be reserved for 15 minutes. The reference number is: L85JERQH . Anything else today? Sentence3: I prefer the center of town Sentence4: I would also like a restaurant that is in the North area that serve Northern European food. Sentence5: Yes, can we try 17:00? Sentence6: Unfortunately, we don't seem to have any listings that match your criteria. Would you like to look for a different type of cuisine or a different area of the city? Sentence7: I do apologize, but they're all booked up. Would you like to try another day or time slot? Sentence8: Yes please! What's the postcode, fee, and number? Sentence9: OK go ahead and book a table for 3 people at 18:00 on thursday. Sentence10: The Cambridge Arts Theatre is located in 6 Saint Edward's Passage Postcode cb23pj, phone 01223503333. There isn't information about entrance fee. Sentence11: There are 5 theaters in the whole of Cambridge, do you have a specific area in mind? Sentence12: Yes, please. I'd like a taxi between the two places to arrive by 17:00. Sentence13: How about a Chinese food restaurant? Sentence14: Booking completed! Booked car type : grey bmw Contact number : 07714877467 is there anything else i can help you with? Sentence15: I would recommend Hakka. It is in the north area and I've heard it's great. Sentence16: I'd like to go to the theatre, can you tell me about what's available in Cambridge, please? Question: Who has spoken the sentence 1? (A) User (B) System
Student:
Answer: (B) System