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 is the Ashley Hotel and Lovell lodge. Both are 2 stars. Which do you prefer? Sentence2: There has got to be at least one hotel in cambridge! Try for 3 nights. Sentence3: I need the hotel reserved for 3 people for 4 nights starting on thursday. Sentence4: Have a good day and I hope you enjoy your stay in Cambridge! Sentence5: Sorry, there were no results found. Sentence6: Which one is in the centre part of town? Sentence7: Sorry, no results were found. Sentence8: How about a hotel then in the cheap price range? Sentence9: No thank you that will be all Sentence10: sorry to disappoint but we dont have any Sentence11: Yes I need centre of town. Sentence12: No thank you that will be all Sentence13: We actually do have 10 cheap places to stay in Cambridge. 9 are guesthouses and 1 is a hotel. Sentence14: Can you try a cheap hotel? Sentence15: Out of the 10, there was one that was a hotel and not a guesthouse, the Cambridge belfry, I booked you, the reference number is DK6K73QS . Anything else today? Sentence16: I'm sorry but there are no cheap hotels in cambridge. Sentence17: Both are in the North. Are you looking for something in the Centre? Sentence18: I need to find a moderately priced condo style hotel in Cambridge that includes free parking. Question: Who has spoken the sentence 16? (A) User (B) System
Student:
Answer: (A) User