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: I don't need a booking, just an address. Sentence2: I will need to book the hotel for 2 nights, with 8 people starting on Sunday, May 7. Sentence3: May i suggest the oak bistro? It has a moderate price range and excellent quality. Would you like me to book a table for you? Sentence4: Is there anything available for just 1 night? Sentence5: Can you find a restaurant that serves british food and is in the centre? Sentence6: The oak bistro is located at 6 Lensfield Road. Sentence7: I've found the Alexander Bed and Breakfast that would meet your needs. Sentence8: That's great! Thank you very much. Sentence9: You are very welcome. Have a good day. Sentence10: Yes, I was able to book the alexander for one night! Your Reference number is : AWHCN41U Sentence11: There are seven restaurants in the center of town serving British food. What price range are you looking for? Sentence12: I am looking for something in the moderate price range. Can you also provide me addresses? Sentence13: I'm also looking for a guesthouse with a 4 star rating. I would prefer the same area with free wifi. Sentence14: I'm sorry, but they have no vacancies for that stay. I could try a different day or perhaps just try booking one night for you. Question: Who has spoken the sentence 11? (A) User (B) System
Answer:
Answer: (B) System