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 also help me find a hotel that has free parking and is expensive? Sentence2: What day and from where? Sentence3: I would like a 4 star hotel. Location isn't important, just quality hotel. Sentence4: Sure! Let's narrow it down a bit. Any preferences on location or star rating? Sentence5: The University Arms sounds good. I'd like to book 4 nights for 1 person, beginning on Friday. And I'll need the reference number, please. Sentence6: You are welcome. Thank you for using our service! Sentence7: We have a train departing from Kings Lynn, Friday at 15:11 which will be arriving at 15:58. The price is 9.80 pounds and the total duration of the trip would be 47 min. Would you like me to book this for you? Sentence8: Thank you for all the information. I would like to book this. Sentence9: The Huntingdon Marriott and the University Arms are both expensive 4-star hotels with free internet and parking. Is either of these of interest to you? Sentence10: That should be it, thanks! Sentence11: I would like it to have free parking and internet. Sentence12: I am leaving Friday from Kings Lynn. Sentence13: You booking was successful. Your reference number is XWZQ8GBA . What else can I help you with? Sentence14: Consider it done. It has been booked. Anything else? Sentence15: Hi, I am looking for a train that will be arriving by 16:00 in Cambridge. Sentence16: Sure thing! There are 21 four star hotels. Do you have any other needs, like internet, parking, or price range or style? Question: Who has spoken the sentence 14? (A) User (B) System
Student:
Answer: (A) User