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: Wonderful. Thanks for help. Sentence2: I also need a taxi to pick me up from Milton Country park by 20:30. Sentence3: Would you like me to go ahead with booking at city stop restaurant? Sentence4: European sounds good! Sentence5: I have booked a taxi for you for 20:30. Look for a yellow bmw. Contact number is 07961088935 Sentence6: I have five restaurants matching your request. Would you like Asian, Chinese, European, or French food? Sentence7: Okay, thank you. What is the entrance fee? Sentence8: Not right now. Can you give me their address and postcode? Sentence9: My destination is City Stop Restaurant. Sentence10: there is milton country park in the north, it's in the address milton country park, milton. Sentence11: If you need anything else, we're always here and ready to help! Sentence12: Sure, city stop restaurant, Cambridge City Football Club Milton Road Chesterton cb41uy, phone 01223363270. Would you like to book a table? Sentence13: No thank you. Are there any parks in town? Sentence14: Entrance is free at Milton Country Park. Sentence15: I can book a taxi for you but will need to know your destination in order to book it for you. Sentence16: I am looking to find an expensive restaurant in the north area of town. Question: Who has spoken the sentence 12? (A) User (B) System
Solution:
Answer: (A) User