You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

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
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

New input: Sentence1: ADC Theatre is located on Park Street in postcode CB58AS. Their phone number is 01223300085. Can I help you with anything else? Sentence2: Are you looking for a particular type of food? Sentence3: The adc theatre is a nice attraction. Sentence4: Great. Can I have the address please? Sentence5: I've booked your table! It will be reserved for 15 minutes. Sentence6: There are a few options in the Centre including Bedouin, an African restaurant, and Midsummer House Restaurant, a traditional British restaurant. Do these interest you? Sentence7: Thank you for using the Cambridge Town Info Centre Services. I hope you enjoy your time in Cambridge! Sentence8: Could i get the reference number please? Sentence9: I would love some help finding a nice restaurant to take my wife to. Something expensive. Sentence10: I'm looking for theatres in the centre of town. Sentence11: No that is it. Thank you. Sentence12: Let's do the Midsummer House. I want to book a table for 3 people at 14:45 on wednesday. Sentence13: Your reference number is PIVQLKXA . Is there anything else I can help you find today? Sentence14: Not really, but I would prefer it to be in the Centre also, close to the theatre. Question: Who has spoken the sentence 5? (A) User (B) System
Solution:
Answer: (B) System