You are shown a conversation between a user and system. Identify who has spoken the indicated sentence based on the conversation.

Let me give you an 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
The answer to this example can be: Answer: (A) User
Here is 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

OK. solve this:
Sentence1: Are any of them in the cheap price range? Sentence2: Which one would you recommend? Sentence3: zizi cambridge is available. It is also a cheap Italian restaurant in the centre. Your reservation is for Wednesday at 17:15 for 6 people. Your reference number is CRW6R09Z . Sentence4: Another, same area and price range please. Sentence5: As long as it's in the same area and price range, I guess I can try it. Please book it for 6 people at 17:15 on wednesday. Sentence6: You have your choice of Pizza Hut City Centre, Stazione Restaurant and coffee bar, Pizza Express, Ask, or Zizzi Cambridge. Sentence7: Can you find me an italian restaurant that is in the centre? Sentence8: Great thank you for your help that's all I needed today. Sentence9: I'm sorry, a table was not available. Would you like to try another restaurant? Sentence10: Have a great day! Sentence11: Pizza hut, ask and Zizzi all appear to be in the cheap price range, Would you like me to book one? Sentence12: I recommend Ask. Do you want me to book it for you? What day and time do you want to eat? Question: Who has spoken the sentence 1? (A) User (B) System
Answer:
Answer: (B) System