You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
One 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 is here: Answer: (A) User
Explanation: 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: Sentence1: Yes I do. I want to leave the hotel by 24:45 to go to the park. Sentence2: The phone number for Wandlebury Country Park is 01223243830. Do you any further assistance today? Sentence3: Unfortunately all we have is the aylesbray lodge guest house Sentence4: Hello, I am looking for a hotel in the south that is moderately priced. Sentence5: Do you mean that you want to book a taxi? If so, what will your destination be? Sentence6: Wonderful. Can you provide me with the contact number? Also, what kind of car is it? Sentence7: Of course, sorry about that. Look for a red Lexus. The contact number is 07951076280. Can I be of further assistance today? Sentence8: There's one with 3 stars - Bridge Guest House. It's in the south and is moderately priced, and they have free wifi and parking. Would you like to book a room? Sentence9: Yes, I'm also looking for info on Wandlebury Country Park. Sentence10: I can't find any hotels, but I did find a guesthouse called aylesbray lodge guest house with that criteria. Sentence11: Okay, do you have any hotels with a 3 star rating instead? Sentence12: thanks. i want to leave the hotel by 24:45. Sentence13: I'd prefer a hotel. It should have a 4 star rating. Can you check again, please? Sentence14: Nope, that's it. Thanks! Sentence15: Very please to have been of assistance today. Sentence16: I was able to book your party of 6 into Bridge Guest House for 2 nights starting Thursday! Reference: GAAQJAQQ . Can I help more today? Sentence17: Can you give me their phone number please? Sentence18: I guess that's fine, book it for 6 people for 2 nights, We'll be there on thursday. Sentence19: Wandlebury Country Park is located at wandlebury ring, gog magog hills, babraham. Is there any other information you need today? Sentence20: Your taxi will be available and has been booked. Question: Who has spoken the sentence 14? (A) User (B) System
Solution:
Answer: (A) User