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: Have a good trip! Sentence2: There are 4 hotels in the west area. Could you tell me what price range? Sentence3: Finches Bed and Breakfast was booked reference number QW2D4CNL Sentence4: Is there a cinema in the West area? Sentence5: I'm sorry but none of the hotel are available. Would you like to book another day or shorter stay? Sentence6: Yes I would. Can you give me the address, post code, and phone number for that museum? Sentence7: There are 7 museums in the area, would you be interested in the Lynne Strover Gallery? Sentence8: There are no cinemas in the west part of town in my system. Sentence9: Thank you for your help. Good bye. Sentence10: Will a two night stay work? If that works go then ahead and give me the reference number. Sentence11: Thanks for using our service. Have a great day. Sentence12: Oh, any of them will do. Let's book it for 3 people for 5 nights starting Wednesday. Sentence13: I have 29 results that match your request. To narrow it down, what area are you looking to stay in, and what price range? Sentence14: I would like to stay in the West as well. Sentence15: Too bad. How about museums? Can you recommend one for me? Sentence16: I think that's it! Have a nice day! Sentence17: Thanks. i also am looking for a place to stay with free wifi and free parking. Sentence18: Lynne strover gallery is located in the west at 23 high street, fen ditton postcode cb30aq, phone 01223295264. Can I help with anything else? Question: Who has spoken the sentence 11? (A) User (B) System
Answer:
Answer: (B) System