Given the task definition, example input & output, solve the new input case.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.
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
Output: Answer: (A) User
The sentence 1 is said by a user because the intent of it says that the information has to be gathered from the system

New input case for you: Sentence1: Uh, let's set it up for a park visit. I'll need the address and is there an entrance fee? Sentence2: Thanks, that's great! I'm also looking for a train on Thursday from Kings Lynn. Sentence3: Happy to be of service. Thank you for using Cambridge TownInfo centre. Have a wonderful day! Sentence4: The address is milton country park, milton. Entrance is free! Sentence5: That should work for us, I will need tickets for 7 please and the reference number. Sentence6: The booking was successful. The total fee is 68.6 GBP and your reference number is 8TU1PRQV . Can I help you with anything else? Sentence7: Would you prefer to go boating, swimming, or to visit a park? Sentence8: Yes correct to cambridge, and I would like to arrive by 20:45. Sentence9: That would be to cambridge correct? I have 19 for that day. Did you have a certain time you wished to leave or arrive? Sentence10: There are 4 attractions in the north. Do you want to specify an attraction type? Sentence11: I am looking for places to go in town in the north. Sentence12: The latest train that leaves at 19:11 and arrives at 19:58 for 9.80 pounds. Would you like to book it? Sentence13: No I don't care. Sentence14: Nope, that's all, thanks. You've been most helpful today. Most helpful, indeed. Question: Who has spoken the sentence 3? (A) User (B) System
Output:
Answer: (B) System