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: I need a moderately priced restaurant in the centre. Sentence2: Would you like to book a table, if so how many are dining? Sentence3: Thank you, and have a great day! Sentence4: Okay thank you very much. Sentence5: There are 21 different restaurants that fit your criteria. Is there a specific type of food you are looking for that could narrow down the list? Sentence6: Can I get the food type and postcode of one you'd recommend? Sentence7: I recommend anatolia, it is a turkish food type restaurant and its postcode is cb21uj. Sentence8: Not at this time. Thank you for everything. Question: Who has spoken the sentence 2? (A) User (B) System
Solution:
Answer: (A) User