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: No, I'm sorry, there are no Sri Lankan restaurants in the moderate or the expensive price range. Can I help you find something else? Sentence2: Yes, please try a different restaurant in the same area and price range. Sentence3: Okay great! Enjoy your lunch. Sentence4: Could you help me find a restaurant that's moderately priced, and services sri lankan cuisine? Sentence5: Nope, that should do it! Thanks! Sentence6: I'm sorry, I was unable to book the restaurant. Would you like to try a different restaurant? Sentence7: Yes, is there another restaurant serving lebanese food that you can recommend? Sentence8: I was able to book you at the oak bistro. your reference number is 11WH7X3K . Is there anything else I can help you with? Sentence9: I'm sorry, I don't see any moderately priced sri lankan restaurants. Would you like to try another sort of cuisine? Sentence10: Yes. Ali baba serves lebanese. May I book a table for you? Sentence11: yes see if there is booking for 6 people at 11:15 on thursday. Sentence12: Yes, are there are restaurants with lebanese cuisine? Sentence13: No I am sorry the ali baba is the only one. Another place maybe? Sentence14: Do you have a moderately priced restaurant serving lebanese food? Question: Who has spoken the sentence 5? (A) User (B) System
Solution:
Answer: (B) System