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: No thank you! I will give them a call. Sentence2: There are two. One is cheap, one is expensive. Which do you prefer? Sentence3: Ok. that phone number is 01223351241. Would you like me to book you a reservation? Sentence4: Thanks! What's the phone number? Sentence5: Do either of those have free wifi? Sentence6: Either as long as it includes free parking and internet is optional. Sentence7: Both alexander bed and breakfast and university arms hotel offer those amenities. Would you like more information on either of these options? Sentence8: You're very welcome. Good day! Sentence9: Do you need any further assistance? Sentence10: Alexander bed and breakfast can be reached by phone at 01223525725. Do you want university arms phone also? Sentence11: Sure. Please give me that one as well. Sentence12: No thank you, I appreciate all your help! Sentence13: yes. both have WiFi connection Sentence14: I'm in need of a place to stay for the night, I'd like it to be in the centre of town and have at least a 4 star rating. Question: Who has spoken the sentence 1? (A) User (B) System
Answer:
Answer: (B) System