You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Let me give you an 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
The answer to this example can be: Answer: (A) User
Here is why: The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

OK. solve this:
Sentence1: The booking was unsuccessful. Is there another time you would like me to look for? Sentence2: That information is at 13:45 on sunday. Sentence3: You are welcome. Enjoy your evening! Sentence4: There are 33 restaurants that satisfy your preferences. Are you keen on eating a particular cuisine? Sentence5: Yes, for five people. Sentence6: I'm looking for a restaurant named Panahar. Sentence7: Thank you! Have a nice day! Sentence8: I don't have any preferences. Pick one you like. Sentence9: Ok. Would you like me to make a reservation at panahar? Sentence10: I booked you a table in kymmoy. They serve asian oriental cuisine. Your reference number is W8M1HZ59 . Sentence11: Is there another restaurant in the area for us at this time within the same price range? Sentence12: Ok for what day and time please? Question: Who has spoken the sentence 1? (A) User (B) System
Answer:
Answer: (B) System