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: We can book hotels, restaurants, trains, and taxis for you and provide information about places, but we do not actually call attractions them for you ourselves. Sentence2: You're welcome. Have a great day. Sentence3: SI booked you at the university arms hotel. Your reservation is POY0JCRA on Thursday. Sentence4: Yes, there are several did you have a specific area in mind? Sentence5: Can you call them for me please? You are supposed to be customer service? Sentence6: What area of town would you like to stay? What price range? Sentence7: I would recommend the university arms hotel. It is expensive and in the centre. Would you like me to book that for you? Sentence8: No. I would just like you to recommend one and give me the area, number and how much it cost to get in. Sentence9: Thanks! That is all I need. Sentence10: I am looking for a 4 star hotel in the Centre. Internet is not necessary but I will accept one that has it. Sentence11: i'm looking for a place to stay Sentence12: That sounds good can you book that for 8 people for 3 nights starting thursday? Sentence13: I can't help you with the cost, you would have to call about that. I recommend Parkside Pools in the centre. You can call them at 01223446100. Sentence14: Are there any swimming pools that I can go to in Cambridge? Question: Who has spoken the sentence 5? (A) User (B) System
Answer:
Answer: (B) System