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 would like to book it for 3 nights beginning on Tuesday. Sentence2: Can I help you with anything else today? Sentence3: Cityroomz is located at Sleeperz Hotel, Station Road in the Centre area. It is a moderatley priced hotel with a 0 star rating. Would you like to book a room? Sentence4: I recommend Graffiti, the number is 01223277977 and the postcode is cb30lx. Would you like me to book a table for you? Sentence5: No, right now, I just need the infor. Thanks! Sentence6: Thank you for using our system. Sentence7: Hi there! Can you give me some info on Cityroomz? Sentence8: No, I don't have a preference, but I need the phone number and postcode. Sentence9: Ok, Your rooms have been booked. Your reference number is CYJDAR7R . Is there anything else I can help you with today? Sentence10: Yes please. I need it for 7 people for 3 nights starting on tuesday. Sentence11: That is all. thanks Sentence12: Yeah, I need a restaurant in the west and with expensive pricing. Sentence13: There are 9 expensive restaurants in the west area. Do you prefer a certain type of food? Sentence14: How many days would you like to book it for? Question: Who has spoken the sentence 6? (A) User (B) System
Answer:
Answer: (A) User